Blue Light (Credit: Canva)
Blue light emitted by devices like smartphones, computers, and televisions is becoming a major factor disrupting our sleep cycles. Research reveals that a significant number of Americans use electronic devices close to bedtime, contributing to poor sleep quality. Reducing exposure to blue light, particularly in the evening, is a simple yet effective way to help your body prepare for restful sleep.
Circadian rhythms are 24-hour cycles that control essential bodily functions, including sleep. Light is the primary factor that aligns these rhythms with day and night. Historically, exposure to sunlight during the day helped set our body clocks, signaling when to be awake and when to sleep. However, the widespread use of artificial lighting and electronic devices has introduced more light exposure after dark, disrupting these natural cycles.
Blue light, in particular, has the strongest impact on circadian rhythms. During daylight hours, blue light helps us feel alert by stimulating the brain, raising body temperature, and increasing heart rate. But in the evening, exposure to blue light can confuse the body’s internal clock, suppressing melatonin—the hormone responsible for making us feel sleepy. As a result, our brains may remain in “daytime mode,” preventing us from winding down for the night.
Persistent disruption of circadian rhythms can lead to a range of health issues, including metabolic disorders, poor mental health, and increased risk for conditions like depression and anxiety. Furthermore, the inability to sleep well at night affects cognitive performance, mood, and overall well-being. Chronic exposure to blue light in the evening may significantly contribute to these negative health outcomes.
Many common devices in our daily lives emit blue light, including:
- Smartphones and tablets
- Computer monitors and laptops
- Televisions and e-readers
- LED and fluorescent lighting
- Video game consoles
To reduce the effects of blue light on your sleep, here are some practical strategies:
1. Turn off screens before bed: Try to avoid using electronic devices at least two to three hours before bedtime. Reducing screen time helps prevent blue light from interfering with melatonin production.
2. Adjust your lighting: Dim your home’s lights or switch to warmer-toned lighting in the evening. You can also use lamps with red or orange light, which are less likely to impact your circadian rhythms.
3. Night mode settings: Many smartphones and computers have a "night mode" feature that reduces blue light emission. Make use of these features to limit exposure in the hours leading up to bedtime.
4. Blue light-blocking glasses: Special glasses designed to filter out blue light may be helpful for some individuals. These glasses can block or reduce the melatonin-suppressing effects of blue light.
5. Apps for blue light reduction: There are several smartphone and computer apps available that reduce blue light emission, allowing you to use your devices before bed without disturbing your sleep.
6. Create a sleep-friendly environment: If you can’t control light sources in your bedroom, consider using an eye mask to block out ambient light and promote better sleep.
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Although monsoon rains provide relief from the unbearable summer heat, they also increase the risk of infections, dehydration, and diseases that are transmitted through water and that can affect the functioning of your kidneys. Since kidneys play a crucial role in eliminating toxins from your body and maintaining fluid balance, kidney care during the monsoon season becomes necessary.
Though it is cooler during monsoon rains, your body needs enough water to help the kidneys filter the toxins efficiently. Try drinking 2-3 liters of clean water daily, or according to the requirement advised by your doctor. Avoid drinking contaminated water, as it increases the risk of infections in the kidneys.
Eat fresh and cooked food at home instead of junk food that might get contaminated during the monsoon rains. Include seasonal fruits, vegetables, whole grains, and healthy protein sources in your diet. Restrict the intake of excess salt, canned products, and sugar drinks.
The monsoon season is prone to UTIs that may eventually reach the kidneys if not treated on time. Keep your body clean, wear dry clothes, and never keep urine in your bladder for a prolonged period. In case you have burning sensations while passing urine, fever, or pain in your lower abdomen, do see a doctor.
Individuals suffering from diabetes, hypertension, or pre-existing kidney problems should take special care of themselves throughout the monsoon. They should be taking their medications, measuring their sugar and blood pressure levels, and undergoing regular medical examinations to avoid kidney diseases.
Analgesics and other OTC medications can cause damage to the kidneys when consumed frequently and without consulting a doctor.
Conclusion
It does not take much effort to maintain the health of your kidneys during the monsoon season. Simple things such as staying well-hydrated, consuming hygienic food, preventing any infection, keeping control of existing illnesses, and taking no medicines unnecessarily will ensure that your kidneys continue to perform at their best. In case of any swelling, change in urine output, fever, or back pain, you must see a doctor right away. The importance of the kidneys is undeniable for your well-being.
(By Dr. Bhanu Mishra, a Consultant- Nephrologist at Fortis Hospital, Shalimar Bagh)
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When one hears about plastic surgery, he or she usually associates it with beauty operations designed to improve one's appearance.
Reconstructive plastic surgery is a very particular field of medicine that addresses problems with the restoration of patients' form and functions who suffer from trauma, cancer, birth defects, burns, and complicated wounds. For many people, reconstructive surgery is far from beautification. It is all about getting back to an independent life.
Injuries that can occur following accidents on the road, incidents at industries, electric burns, and animal bites often lead to severe destruction to the skin, muscles, tendons, nerves, blood vessels, and bones. In addition, cancers of the breast, head and neck, mouth, skin, and limb regions are often treated with extensive surgical excisions to provide complete clearance from the disease.
Though these operations are necessary to save lives, they might lead to considerable impairment and deformities in the patients. Reconstructive plastic surgery helps solve these problems.
Today's reconstruction surgery uses sophisticated methods, including microsurgical free tissue transfer, perforator flaps, local and regional flap reconstruction, split-thickness and full-thickness skin grafting, nerve grafting, tendon reconstruction, and vascular anastomosis.
The application of microsurgery, in particular, has greatly improved the possibilities for performing reconstruction surgeries through transferring viable tissue from one region of the body to another with the re-establishment of blood supply from blood vessels of just one to three millimeters in diameter using a surgical microscope.
One of the biggest breakthroughs in the field of reconstructive surgery has been in the area of post-cancer treatment. Women who have undergone surgery due to breast cancer have the option to undergo either immediate or delayed breast reconstruction surgery through implants or through autologous tissues to help restore their self-image and mental well-being.
Similarly, patients who have undergone surgery due to oral, jaw, or facial cancer can improve their functionality and social standing through microvascular surgery.
The other significant factor to consider is the importance of reconstructive surgery in the treatment of burns. Severe burns typically lead to contracture scars and limited movement of joints.
Excision, skin grafting, flaps, and scar revision surgeries are key in improving function, aesthetics, and reducing disability. Reconstruction of hands following injuries or burns allows people to carry out their daily tasks and work.
Reconstruction is not limited to the surgical theater but is best done using a multi-disciplinary team comprising plastic surgeons, oncologists, trauma surgeons, physiotherapists, occupational therapists, psychologists, dietitians, and rehabilitators. Rehabilitation, scar management, physiotherapy, and follow-up are just as important after surgery as the surgery itself.
Reconstructive plastic surgery is thus much more than a field of surgery; it is a specialty whose goal is to restore hope. Through a blend of surgical skills and compassion, it gives people an opportunity to transcend the physical and psychological effects of injuries or cancers. For many people, it changes the experience of survival into that of recovery.
With the onset of the monsoon, the risk of several water-borne, mosquito-borne, and bacterial infections increases significantly due to stagnant water, flooding, poor sanitation, and contaminated food and water.
Many of these diseases can start with mild symptoms similar to the flu, but if they're diagnosed early, you can get the appropriate medical care in time, avoiding serious complications.
One of the important ways to prevent monsoon infections and diseases is to identify warning signs early, Dr. Amit Saraf, Director, Department of Internal Medicine, Jupiter Hospital, told HealthandMe.
Leptospirosis gained attention after its cases surged in Kerala recently. The infection has also been reported in Maharashtra, Gujarat, Tamil Nadu, and Karnataka. The bacterial infection typically spreads via contact with water or soil that has been contaminated by the urine of animals infected with leptospirosis, especially during floods.
Initial signs and symptoms include:
“Wearing protective footwear, avoiding wading in floodwaters, and covering any open wounds will help minimize the risk of infection,” Dr Saraf recommended.
Dr. Saraf said: “It can cause serious gastrointestinal issues if not treated. Safe drinking water, good hand hygiene, and freshly cooked food are important preventive measures.”
Cholera is a water-borne bacterial disease that commonly occurs during monsoons. It often begins with excessive watery stools, vomiting, leg cramps, and rapid dehydration. Dehydration can quickly become an immediate danger of cholera.
The doctor said: “Prevention includes drinking clean water, eating hygienically prepared food, and practicing proper sanitation and handwashing.”
Dengue is one of the most common viral diseases spread by Aedes mosquitoes. Often reported in various Indian states during the monsoon, dengue presents with flu-like symptoms. Dengue usually begins with high fever, severe headache, pain behind the eyes, extreme muscle and joint pain, nausea, skin rash, and fatigue.
Malaria, a common monsoon disease, is spread by infected mosquitoes and characterized by the following symptoms:
Dr Saraf said, “Early diagnosis is important to prevent severe diseases. The best ways of preventing mosquito bites are by using mosquito repellents, mosquito nets, and the elimination of breeding sites.”
Mosquito-borne viral diseases are reported to be the highest during the rainy season. One of them is Chikungunya. The infection is usually marked by sudden high fever and severe joint pain in the limbs. Other early symptoms may include headache, muscle pain, fatigue, and skin rash.
“The infection is usually not deadly but can cause joint pain for weeks or months. Preventive measures include mosquito control and avoidance of mosquito bites,” the expert advises.
During the monsoon period, gastrointestinal infections are also more common as food and water sources are more likely to get contaminated. Early signs of gut infections may include diarrhea, vomiting, cramps, nausea, bloating, fever, and dehydration.
The majority are due to bacteria, viruses, or parasites. The expert said that the risks can be minimized by maintaining food hygiene, drinking boiled or purified water, washing fruit and vegetables before cooking and consuming, and refraining from eating street foods and drinks.
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