The global challenge of HIV/AIDS remains one of the most pressing public health issues today. According to the latest data from UNAIDS, around 38.4 million people worldwide are living with HIV/AIDS, underlining the need for not only medical intervention but also comprehensive awareness, education, and social change. Despite the significant strides made in treatment and prevention, the confusion surrounding the relationship between HIV and AIDS still persists.

Young people have become influential advocates in the fight against HIV/AIDS. Research from UNICEF shows that youth-led initiatives can lower HIV transmission rates by as much as 45% in targeted communities. These young activists utilize digital platforms and peer-to-peer education to dispel myths, promote safe practices, and foster supportive environments for those affected by HIV/AIDS.

Dr Gowri Kulkarni, an expert in Internal Medicine, explains that while the terms HIV and AIDS are often used interchangeably, they are distinctly different. "HIV (Human Immunodeficiency Virus) is a virus that attacks the immune system, whereas AIDS (Acquired Immunodeficiency Syndrome) is a condition that occurs when HIV severely damages the immune system," she clarifies. To understand the implications of these differences, it's important to explore the fundamental distinctions between the two.

1. HIV is a Virus; AIDS is a Syndrome

HIV is the virus responsible for attacking the body’s immune system, specifically targeting CD4 cells, which are crucial for the body’s defense against infections. As HIV progresses, it destroys these cells, weakening the immune system over time. If left untreated, this continuous damage can lead to AIDS.

AIDS, on the other hand, is a syndrome, not a virus. Dr Kulkarni further elaborates that AIDS is a collection of symptoms and illnesses that emerge when the immune system is severely compromised due to prolonged HIV infection. It represents the most advanced stage of HIV, and is characterized by very low CD4 counts or the onset of opportunistic infections like tuberculosis, pneumonia, or certain cancers.

2. Not Everyone with HIV Develops AIDS

A key distinction to remember is that not everyone with HIV will progress to AIDS. Thanks to advancements in medicine, particularly antiretroviral therapy (ART), individuals living with HIV can manage the virus and maintain a healthy immune system for many years, or even decades, without ever developing AIDS. ART works by suppressing the virus to undetectable levels, effectively preventing the damage HIV would otherwise cause to the immune system.

Without treatment, however, HIV progresses through three stages:

- Acute HIV Infection: This stage occurs shortly after transmission and may include symptoms like fever, fatigue, and swollen lymph nodes.

- Chronic HIV Infection: Often asymptomatic or mildly symptomatic, the virus continues to damage the immune system but at a slower rate.

- AIDS: This is the final stage, marked by severe immune damage and the presence of infections that take advantage of the compromised immune defenses.

3. HIV is Transmissible; AIDS is Not

Another key distinction between HIV and AIDS is the way in which they are transmitted. HIV is highly contagious and can be transmitted through the exchange of bodily fluids such as blood, semen, vaginal fluids, and breast milk. It is primarily spread through unprotected sexual contact, sharing needles, or from mother to child during childbirth or breastfeeding.

AIDS, however, is not transmissible. It is not a disease that can be passed from one person to another. Rather, AIDS is the result of untreated, advanced HIV infection and is a direct consequence of the virus’s damage to the immune system.

4. Diagnosis Methods Differ

HIV and AIDS are diagnosed through different methods. HIV is diagnosed through blood tests or oral swabs that detect the presence of the virus or antibodies produced by the immune system in response to the virus. Early detection of HIV is crucial, as it allows for timely intervention and treatment, which can prevent the virus from progressing to AIDS.

AIDS, on the other hand, is diagnosed using more specific criteria. Dr Kulkarni notes that the diagnosis of AIDS is made when the individual’s CD4 cell count falls below 200 cells/mm³, or when opportunistic infections or certain cancers (such as Kaposi's sarcoma or lymphoma) are detected. Diagnosing AIDS involves a more thorough assessment of the individual’s immune function and overall health, as opposed to just the detection of HIV.

5. Treatment Goals Are Different

The treatment goals for HIV and AIDS differ significantly, although both involve antiretroviral therapy (ART). For HIV, the primary treatment goal is to suppress the virus to undetectable levels, thus maintaining a strong immune system and preventing further transmission of the virus. People living with HIV can often live long, healthy lives if they adhere to ART.

For individuals diagnosed with AIDS, the treatment plan becomes more complex. While ART remains an essential part of managing the virus, treatment for AIDS also focuses on addressing the opportunistic infections and secondary health complications associated with severe immune suppression. The goal of treatment for AIDS is not only to manage the HIV virus but also to improve the quality of life and extend survival by treating these secondary health issues.

Role of Community Engagement in Combatting HIV/AIDS

While the medical community has made great strides in managing HIV, the battle to curb its transmission is also a social and cultural issue. Dr Daman Ahuja, a public health expert, highlights that HIV/AIDS awareness and education are vital to reducing transmission rates and supporting those affected by the virus. "Young people, especially, have become key advocates in the fight against HIV/AIDS," says Dr Ahuja. "Research from UNICEF shows that youth-led initiatives can lower HIV transmission rates by as much as 45% in targeted communities."

Additionally, grassroots activism plays a significant role in raising awareness and addressing stigma. As the World Health Organization reports, community-based interventions have been proven to increase HIV testing rates and improve treatment adherence, which are crucial in the fight against the pandemic.

The ultimate goal of organizations like UNAIDS is to eliminate the HIV/AIDS pandemic by 2030. Achieving this requires global collaboration, from medical treatment advancements to public health strategies, education, and advocacy. Dr Kulkarni’s insight underscores the importance of early detection, treatment adherence, and community support in the fight against HIV/AIDS.

Dr Gowri Kulkarni is Head of Medical Operations at MediBuddy and Dr Daman Ahuja, a public health expert and has been associated with Red Ribbon Express Project of NACO between 2007-12.

It is difficult to determine emotions because of the neurological differences, the surrounding in childhood, the psychological ways of survival, and absence of emotional training.

Alexithymia or "emotional blindness" is the neuropsychological trait associated with severe problems with identification, recognition, and description of the person's emotions. Alexithymia is not a psychiatric disease but a personality trait.

It is characterized by the inability to identify and distinguish emotions and body sensations, difficulty of finding the words to express feelings, inability to understand facial expression and body language of another person and emotional detachment during stressful situations.

It is diagnosed in people with autism spectrum disorder, depressive disorder, generalized anxiety disorder and after traumatic brain injuries. It can be inherited or acquired as a result of childhood trauma, abuse or neurological damage.

The Brain Science Behind Alexithymia

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The cause of alexithymia is the brain wiring and neurological differences. Therefore, there is impaired interception, which is the inability of the brain to recognize its own physical sensations. Also, an unusual structure of the brain regions like amygdala and insula, that regulate emotions, makes difficult to decode emotional signals.

Early childhood environment and emotional competence must be developed in childhood, because, without that, there can be emotional neglect and emotional vocabulary deficiency. Due to the inability to interpret emotional data, the person misses the compass that directs decisions and self-calming. This leads to emotional outburst, panic, hyperarousal, social and psychological consequences.

How Alexithymia Differs From Emotional Numbness

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Emotional numbness is the transient psychological state caused by acute trauma, deep grief or burnout.

The lack of emotional intelligence is the lack of social and emotional competence, when the person feels his emotions correctly, but he cannot control temper, lacks empathy, makes inappropriate social decisions or do not know what kind of effect his behaviour causes on the room.

But alexithymia is different since it is long-term personality trait and the person is unaware of the particular emotion.

In terms of neurodevelopment, the insular cortex and the anterior cingulate cortex (ACC) are the structural core of the brain's salience network. They work as a translator, transforming chaotic physical sensations into recognizable emotional experience.

Although there isn't any cure for alexithymia, one can improve his emotional awareness through certain measures. Interoceptive training where individuals are taught how to associate physical body sensations (such as tightness in the chest) with particular emotions (such as stress).

The use of emotion wheel or list of emotional words to bridge the link between vague physical sensation and precise description. Mindfulness, which involves observing oneself without judgment or without trying to suppress those internal feelings right away. And it is always good to seek professional help from a psychologist or a counselor.

By Dr. Arun Shah, Director - Neurosciences, Sir H.N. Reliance Foundation Hospital

Urine leakage after pregnancy is a common occurrence in many women. It is considered a normal part of motherhood. However, it doesn't have to be. Urine leakage can occur after childbirth, but persistent symptoms should not be ignored or tolerated just because you feel that it is not a big deal. It will be imperative for women to consult a pelvic health physiotherapist to examine the pelvic floor and guide women with the help of personalised rehabilitation for improving bladder control and recovering quickly.

Pregnancy and childbirth lead to changes in a woman's body. However, there can also be an impact on the muscles and tissues that support the bladder, uterus, and bowel. Hence, many women can experience urine leakage while coughing, sneezing, laughing, exercising, or lifting their baby after delivery. Vaginal delivery, prolonged labour, multiple pregnancies, a larger baby, excess weight, and chronic constipation can also cause pressure on the pelvic floor. So, the pelvic floor is a group of muscles that supports the pelvic organs and also contributes to bladder and bowel control.

During pregnancy, these muscles carry load, and childbirth can further stretch or affect their strength and even coordination. Hence, stress urinary incontinence is seen in women post-pregnancy, wherein the urine leaks during activities that increase pressure inside the abdomen. Some women may experience urinary urgency, difficulty controlling urine, pelvic heaviness, or discomfort during physical activity. Even signs such as vaginal pressure and heaviness, urinary leakage during exercise, or difficulty controlling gas can also indicate pelvic floor dysfunction.

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Why Pelvic Floor Recovery Is More Than Just Kegel Exercises

Pelvic floor recovery is more than just doing Kegel exercises: Pelvic floor muscle exercises, commonly known as Kegels, will help to enhance muscle strength and bladder control if done as recommended by the expert. However, not everyone will need the same type or intensity of pelvic floor exercise. Some women tend to have weak pelvic floor muscles, while others may have muscles that are poorly coordinated. So, a pelvic health physiotherapist will help to assess pelvic floor strength, relaxation, coordination, breathing patterns, posture, and abdominal muscle function.

The expert will also help women to understand how the pelvic floor responds to activities such as coughing, lifting, or exercise. The aim will be to have a stronger pelvic floor contract and relax muscles when the body needs it. Breathing and pressure management within the abdomen will also be crucial for women during exercise and doing daily activities. Women may need guidance before returning to running, jumping, gym workouts, or other high-impact activities. Recovery should also be gradual.

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What Women Can Do To Support Pelvic Floor Health

What women should know: It will be important for women to maintain an optimum weight, exercise daily, quit smoking, avoid constipation by having fiber in the diet and staying hydrated. Quit smoking, use appropriate lifting techniques to reduce unnecessary strain on the pelvic floor, and don’t hold urine for a long time. Women who opted for a Caesarean section should also ensure they prevent pelvic problems.

Pregnancy itself causes pressure on the pelvic floor, so pelvic floor rehabilitation can be recommended for women with a C-section. Motherhood should not mean silently living with bladder problems. So, pelvic floor rehabilitation can improve bladder control and confidence in women.

Standing up suddenly from your bed, sofa or chair can sometimes cause a brief “head rush”, you may feel light-headed, notice your vision dimming, feel weak or even slightly unsteady. While this can feel alarming, there is a simple physiological explanation for why it happens.

When you stand up, gravity causes some of your blood to temporarily move towards your legs and abdomen. This reduces the amount of blood returning to the heart. Within seconds, the autonomic nervous system usually steps in by tightening the blood vessels and adjusting the heart rate to maintain blood pressure and ensure enough blood reaches the brain.

When A Sudden Drop In Blood Pressure Becomes A Concern

A brief drop in blood pressure during this transition can be normal. However, if the drop is too significant or the body is unable to compensate properly, it can lead to dizziness, blurred vision, weakness and, in some cases, fainting. Orthostatic hypotension is clinically defined as a sustained fall in systolic blood pressure of at least 20 mmHg or diastolic blood pressure of at least 10 mmHg within three minutes of standing.

Several factors can contribute to this, including dehydration, heat, prolonged inactivity, blood loss and medications that lower blood pressure. Recurrent episodes can also be linked to problems with the autonomic nervous system, including autonomic involvement in Parkinson’s disease and other neurodegenerative disorders.

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How To Prevent The Head Rush And When To Seek Help

One simple precaution is to avoid changing positions too quickly, especially after lying down for several hours. Sitting on the edge of the bed for a few moments before standing gives the cardiovascular system time to adjust. Moving your feet or tightening your leg muscles before getting up may also help improve blood flow back to the heart. If you start feeling dizzy, it is safer to sit or lie down rather than trying to walk through it.

An occasional, very brief episode may simply be the body’s normal response to a sudden change in posture. However, frequent episodes, fainting, falls, palpitations or persistent dizziness should not be ignored and warrant medical assessment, particularly in older adults or people taking multiple medications.

Dr Sachin Adukia Sr Consultant M.B.B.S., MD (General Medicine), DNB (Neurology), LH Hiranandani Hospital