Is Blue Light Routine The Ultimate Answer To Anti-Aging Skincare?

Updated Jan 22, 2025 | 12:00 AM IST

SummarySkincare has become a massive trend among people, with many people building five to ten step skin care routines to make sure their skin is taken care of. This routine also ensures that the skin is not affected by the surroundings. But is this blue light skincare routine actually worth it? Here is what you need to know.
Credit-Canva

Credit-Canva

Many people believe that the modern-day skincare trends are a scam made by the big pharma companies who wish to make more money. This is a recent trend of ‘Anti-Aging’ skincare that keeps yourself on toes for the innate need for women to stay ‘young’ if they wish to be desirable. The beauty industry, in a way, feeds on such societal-made insecurities. But the recent rise in the trend has taken a different turn. While before people did it before to look prettier or fairer, now people are looking at this skincare routine as a way of taking care of themselves rather than doing to match someone else's beauty standards. This is why, this trend has resurfaced in the skin care community. This is the blue light routine.

In today's digital age, where we spend countless hours looking at screens, from phones and tablets to laptops. This constant screen time exposes us to blue light, which research suggests can have negative effects on our skin. It also leads to premature aging and dark spots. The screens also leads to stress, which could further cause harm to skin. While ditching our devices isn't realistic, a growing number of skincare products claim to protect against blue light. But do these products actually work?

What is Blue Light Skincare?

You can find many skincare products that say they protect against blue light, like sprays, creams, gels, and sunscreens. Some promise to undo the damage blue light might cause, while others try to prevent it in the first place. Blue light sunscreens are special because they protect against both the sun's UV rays and blue light. This is what regular sunscreens don't do very well. Regular sunscreens, whether they use chemicals or minerals, don't block blue light as effectively.

However, tinted sunscreens are different. Tinted sunscreens with SPF 30 or higher can protect your skin from blue light, as well as UVA and UVB rays from the sun. This is because of the coloring in the tint. Some newer sunscreens also have special ingredients that help protect against visible light, including blue light. While scientists are still learning about how blue light affects skin, many skin doctors have found it to be helpful for skin.

What is Blue Light and Why Might It Be a Problem?

Blue light comes from screens, TVs, and even the sun. While we used to worry mostly about how it affects our eyes and sleep, now we're learning it might also affect our skin. Some studies show that too much blue light can damage skin cells and speed up aging, leading to wrinkles and uneven skin tone. It can also cause dark spots on the skin. This happens because blue light can cause something called "oxidative stress" in the skin, which is linked to aging. It leads to dead skin cells. Blue light goes deeper into the skin than the sun's UV rays and can make skin cells produce more pigment, causing dark spots. It's important to know that not all blue light is bad. There is a difference between the blue light that comes out of the screens and the blue light that is used from a certain blue light wavelength as a therapy. The latter is used by doctors to treat acne and some skin cancers.

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Beyond The Cuff: Why Uncontrolled Hypertension Deserves Urgent Attention

Updated Jun 12, 2026 | 11:54 AM IST

SummaryHypertension affects approximately 1.4 billion adults worldwide. Studies suggest that almost 54% of Indian patients have uncontrolled hypertension even while taking ≥2 medications.
Beyond The Cuff: Why Uncontrolled Hypertension Deserves Urgent Attention

Credit: iStock

Every morning, millions begin their day with a quick breakfast and blood pressure (BP) medication swallowed mechanically. But what happens when BP remains uncontrolled despite medicines? Uncontrolled hypertension is one of the most underestimated health threats. Often called the silent killer, it quietly damages the heart, brain, kidneys, and blood vessels.

The BP reading on the cuff captures only a visible measurement. BP that remains above goal over time despite treatment is concerning. Hypertension affects approximately 1.4 billion adults worldwide. Studies suggest that almost 54% of Indian patients have uncontrolled hypertension even while taking ≥2 medications. Thus, treatment does not necessarily mean control.

Why Does BP Control Matter?

Global organizations recommend stricter BP targets, aiming for readings below 130/80 mmHg or even 120 mmHg if tolerated. Studies show that each 10 mmHg reduction in systolic BP can decrease the risk of major cardiovascular events by 20%, stroke by 27%, heart failure by 28%, and death by 13%.

On the other hand, uncontrolled hypertension increases the risk of heart attacks, strokes, heart failure, end-stage kidney disease, type 2 diabetes, and death.

But What If The Numbers Don’t Change Despite Medication?

In persistently uncontrolled hypertension that other causes cannot explain, a hidden culprit called aldosterone is an under-recognized driver. Normally, aldosterone balances sodium and water to regulate BP.

However, in patients with uncontrolled hypertension, aldosterone production may remain abnormally high, causing sodium and fluid buildup, increasing BP.

Approximately 30% of patients with hypertension may have aldosterone dysregulation, and patients with resistant hypertension, obesity, type 2 diabetes, sleep apnea, and hypokalemia are at greater risk. Nearly 10–20% of patients with hypertension are treatment resistant, increasing their risk. In these patients, aldosterone dysregulation could be an important cause.

It is time to look beyond the cuff, as uncontrolled hypertension is a chronic, progressive, and often silent condition with serious consequences. Improving patient outcomes requires greater urgency, earlier intervention, better treatment optimization, and stronger awareness of underlying drivers such as aldosterone.

It is time to identify and treat the root causes of uncontrolled hypertension, so that patients can regain lasting BP control.

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Scientists Finally Have Answers To What Causes Inflammatory Bowel Disease

Updated Jun 11, 2026 | 05:00 PM IST

SummaryThe findings, published in the New England Journal of Medicine, suggest that inflammatory bowel disease is not a single condition but a group of biologically distinct diseases driven by different underlying mechanisms.
Scientists Finally Have Answers To What Causes Inflammatory Bowel Disease

Credit: Canva

Inflammatory bowel disease (IBD), which includes Crohn's disease and ulcerative colitis, affects millions of people worldwide. The lifelong condition commonly begins in adolescence or early adulthood and can require repeated hospital treatment, long-term immunosuppressive medication, and, in some cases, surgery.

Despite advances in treatment, many patients cycle through multiple therapies without achieving lasting disease control, impacting their lives and costing healthcare systems millions.

Now, a team of UK researchers from the Universities of Oxford, Newcastle, and Cambridge has identified an important driver of inflammatory bowel disease (IBD).

The findings, published in the New England Journal of Medicine, suggest that inflammatory bowel disease is not a single condition but a group of biologically distinct diseases driven by different underlying mechanisms.

"Understanding what drives the inflammation provides a clear explanation for disease in this group of people and opens the door to new treatments that target the autoantibodies themselves or cells that produce those autoantibodies," said Professor Holm Uhlig, a pediatric gastroenterologist and director of the Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford.

What Did the Study Find?

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The researchers analyzed more than 4,900 patients with IBD and discovered that:

  • A substantial subset of patients shows autoimmune responses to one of the guardians of the immune system, interleukin-10 (IL-10), which leads to uncontrolled inflammation.
  • This damaging immune response is the mechanism for one of the strongest known genetic risk factors for IBD.

Antibodies that block interleukin-10 (IL-10), a cell-to-cell messenger that normally acts as one of the body's key controls on inflammation, effectively remove the immune system's natural "brake" on inflammation, allowing inflammatory responses to continue unchecked.

The researchers found high levels of anti-IL-10 neutralizing autoantibodies in the blood of about 3.5% of IBD patients, including those with Crohn's disease and ulcerative colitis, but not in healthy individuals. This could equate to 15,000–20,000 people with IBD in the UK carrying these autoantibodies.

The Genetic Link

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The researchers also found that the presence of these antibodies was strongly linked to carriage of a particular genetic variant known as HLA-DRB1*01:03.

The link between HLA-DRB1*01:03 and a severe form of inflammatory bowel disease was first identified by Oxford researchers 30 years ago.

The new findings show that people carrying this variant are far more likely to develop antibodies that block IL-10, helping explain how the gene contributes to disease.

What Could This Mean for Patients?

The researchers say the findings support the development of a blood test to identify this subgroup of patients, helping clinicians move quickly toward more appropriate treatment.

What Is IBD?

As per the Centers for Disease Control and Prevention (CDC), IBD refers to a group of lifelong diseases that affect your intestines. The main types of IBD are ulcerative colitis and Crohn's disease.

Ulcerative colitis affects the large intestine, while Crohn’s disease can inflame any part of the digestive tract. Both are lifelong conditions of unknown cause that trigger abdominal pain, diarrhea and other complications, with no known cure.

What Are The Symptoms Of IBD That People Usually Ignore?

  • Diarrhea or changes in bowel movements
  • Stomach pain
  • Fatigue
  • Nausea
  • Weight loss
IBD can also lead to overall health complications, such as

  • Dehydration
  • Increased risk of colon and rectal cancers
  • Low red blood cell count (anemia)
  • Reduced bone density
  • Joint pain
  • Skin changes
  • Eye irritation
  • Delayed or impaired growth in some children.

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New Study Links Infertility To Early Menopause

Updated Jun 11, 2026 | 03:05 PM IST

SummaryExperiencing infertility itself increases a woman’s risk of developing cardiovascular disease, metabolic disorders, but reaching menopause early puts them at further health risk, adding osteoporosis and cognitive decline to the mix.
New Study Links Infertility To Early Menopause

Credit: Canva

With modern lifestyle changes, delayed childbearing, and other factors, infertility among Indians as young as 25 has become a looming public health concern for the country. However, the issue does not stop at the present.

A recent study published by The Menopause Society in their journal Menopause found that infertility may lead to earlier menopause, raising questions about the long-term reproductive health implications of this demographic shift.

What is Menopause?

Menopause is the final stage of a woman’s reproductive lifecycle, when menstruation stops, and she can no longer get pregnant. When the ovaries stop producing estrogen and progesterone, and a woman misses her period for 12 consecutive months, she has officially reached menopause.

Although menopause is a regular part of ageing, women typically reach menopause between 45 and 55 years of age. If menopause occurs before age 45, it is considered early menopause. If it occurs before 40, it is termed premature menopause – rarer than early menopause but involves the same causes, symptoms, and health risks.

While previous studies have been conducted to find a link between infertility and both early and premature menopause, they have had mixed results and did not consider the effect of different types of infertility; this study focuses on women with a history of primary infertility, women who have never achieved pregnancy, and have difficulty conceiving.

What Did the Study Find?

For the study, researchers examined the reproductive lifecycle of nearly 700 women in the U.S. – 461 with primary infertility and 530 without infertility – who were otherwise demographically similar (age, education, smoking status, etc.). It found that the 461 women had a 25% higher likelihood of reaching natural menopause about 1.2 years earlier than the 530.

Researchers also noted that women with underlying endometriosis as a cause of their infertility reached menopause between 40 and 44 years, much sooner than the national average of the United States, i.e., 52 years.

Possible explanations include accelerated ovarian ageing, reduced ovarian reserve, or the effects of endometriosis on ovarian function. But no matter the causes, the implications for women’s long-term health are substantial.

Why Does This Matter?

All women are born with a finite, predetermined number of eggs, which are sensitive to age, environmental toxins, medications, hormonal imbalances, and lifestyle factors. When exposed to such risk factors, especially over a long period of time, the DNA inside the eggs is altered, causing permanent genetic damage and reducing the egg quality and quantity.

As a core part of the reproductive process, any damage to the eggs directly affects reproductive health and, in turn, long-term systemic health.

Infertility impacts more than the ability to conceive and go through a pregnancy; it is often a sign of underlying health conditions and potential chronic illnesses, acting as a biomarker of increased all-cause mortality. Experiencing infertility itself increases a woman’s risk of developing cardiovascular disease, metabolic disorders, gynecologic cancers, etc., but reaching menopause early on top of that puts them at further health risk, adding osteoporosis and cognitive decline to the mix, along with the emotional distress and mental health challenges.

Indian women already reach menopause earlier than women in Western countries, with the average woman experiencing menopause at 46.2 years of age. With fertility rates dropping across the country, this study highlights just how critical it is to increase fertility awareness. Early screenings and regular fertility testing can help detect risks early and enable timely intervention, not only to combat the ongoing crisis but to ensure that women live healthy, fulfilling lives without impending morbidity.

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