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Fohor Kathmandu Every year, 42,100 Nepalese die due to the effects of air pollution. Globally, the number of deaths caused by reaches 6.67 million. These numbers might be startling to many who are unfamiliar with the devastating effects of air pollution, but the death count stands as a reminder that …

Perineuronal nets (PNNs) are cartilage-like structures that surround inhibitory neurons in the brain, and their primary function is to control the level of plasticity in the brain. They contain chondroitin sulphates, some of which—like chondroitin 4-sulphate—inhibit neuroplasticity, while others like chondroitin 6-sulphate promote neuroplasticity. The balance of these compounds changes …

  Researchers at the Cleveland Clinic, U.S.A., have found that zinc or vitamin C, singly or in combination, do not significantly decrease the severity or duration of symptoms in COVID-19- patients, when compared to standard care. Zinc, which is important for immune function, has a role in antibody and white …

Scientists are exploring whether vaccination in necessary for people who’ve already been infected with SARS-CoV-2 infection. While some recommend that they still get a single dose of vaccine, a new study from the Cleveland Clinic in Ohio has found that people who’ve already had COVID-19 may not require vaccination. They …

NIFTY® (Non-Invasive Fetal TrisomY test) of BGI Diagnosis Co. Ltd., China, is a non-invasive prenatal test that offers screening for certain genetic conditions due to extra or missing genetic information in the baby’s DNA. The test uses the latest genetic sequencing technology and has over 99% accuracy for the three …

Sirtuins are a family of NAD+ (nicotinamide adenine dinucleotide+) dependent enzymes that are the principal regulators of the lifespan in lower life. There are seven different sirtuins in mammals—SIRT1 through SIRT7—which have a broad range of cell functions concerning energy balance, stress resistance to the cells, genomic stability, and aging. …

In a 2019 CRN (Council for Responsible Nutrition) consumer survey on dietary supplements done in the U.S., 77% of Americans said that they take dietary supplements, with the 35 – 54 age group being the biggest users. Vitamins and minerals were the most popular supplement category, followed by specialty supplements, …

In his book, Burn: The Misunderstood Science of Metabolism, evolutionary biologist Herman Pontzer writes about the misunderstood science of metabolism based on his time living with the Hadza tribe in Tanzania. His objective was to measure the amount of energy burned by the Hadza people, who follow a hunter-gatherer lifestyle, …

If you are in your 30s, your odds of death are around one in 1,000 per year. If you are 90 years old, your odds of dying are one in six. Our risk of death doubles every eight years. What is the underlying biological process driving this exponential increase? The …

Antimicrobial resistance (AMR) is a global public health threat, and there is an ever growing list of bacteria that are becoming resistant to treatment with the currently available antibiotics. To add to this, very few new antibiotics are in the pipeline. Now, researchers at the Wistar Institute, USA, say that …