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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 a survey by US and World Report, 129 out of 191 medical and osteopathic* schools accredited in 2020 provided data required to calculate their rankings. Here are the results:   Best for Research 1. Harvard University, Boston 2. New York University Grossman School of …

Early menopause is described as the cessation of ovarian function at or before the age of 45 years. About 12.2% of women experience early menopause, and for them, donor eggs are the only option for becoming pregnant. In the past, women with primary ovarian insufficiency have been treated with treatment …

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, …

A group of “big eight” foods—milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, and soybeans—has been identified as the cause of 90% of food allergies. Among this group, researchers are trying to develop less allergenic varieties of wheat and peanuts, using plant breeding and genetic engineering. These are foods that …

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 …

An Iowa State University research study published in the November 2020 issue of Journal of Alzheimer’s Disease has concluded that the foods we eat may directly impact our future cognitive acuity. Headed by Auriel Willette, an assistant professor in Food Science and Human Nutrition, and Brandon Klinedinst, a Neuroscience PhD …

New research says that those who spend too much time on social media are apt to be depressed later on. Of course, the issue could be seen from another angle, depressed people may spend more time online, shying away from face-to-face interactions. Dr. Brian Primack, a professor of public health …