Nicotinamide adenine dinucleotide, or NAD, is a helper molecule that cells use for energy, DNA repair, and body clock control. Its level falls with age. NAD supplements do not provide NAD itself, they provide precursors, most often nicotinamide riboside, NR,…
Turning Mars into a world like Earth is not possible with the tools and materials we have today. NASA supported research shows that Mars does not hold enough carbon dioxide, the main greenhouse gas needed to trap heat, and much…
Many people feel a sudden jolt just as they are falling asleep. Doctors call this a hypnic jerk, also named a sleep start or hypnic myoclonus. It is a brief, involuntary muscle contraction that can come with a feeling of…
Near death reports now meet modern tools in hospitals. We see short windows of organized brain activity while the heart is stopped, and we see rare moments of mental clarity before death. These observations keep the debate open, but they do not prove life after death.
Walking works for fat loss because most people can do it every day without pain or fear. It builds a steady routine, which is the main driver of long term change. Walking raises daily energy use through normal movement. This…
Scientists and doctors are looking again at the humble loaf. New reporting highlights a body of research showing that the protein gluten, found in wheat, rye, and barley, can set off immune reactions in some people that reach far beyond…
Most people start to lose small amounts of muscle in their thirties, but the decline speeds up after forty. This loss of muscle and strength is called sarcopenia, and it makes everyday tasks harder while raising the risk of falls…
Harvard Business Review: How to actually start the task you’ve been avoiding To begin a task you have been avoiding, the most crucial step is to take action, even if you do not feel motivated. The common belief that motivation…
2015 study: men are slightly less attracted to intelligent women, despite what they say Six experiments by Park and colleagues (2015) examined men’s stated versus observed attraction to intelligent women. When evaluating hypothetical or physically distant profiles, men reported preferring…