Reading in Dim Light is Bad For Your Eyes
Reading in dim light isn’t bad for your eyes. Be it a book or electronic device, reading in dim light will not damage the eyesight of a healthy adult (although it may cause temporary strain).
Health Science is the study of health and application of science, technology, engineering or mathematics in the delivery of healthcare.
Reading in dim light isn’t bad for your eyes. Be it a book or electronic device, reading in dim light will not damage the eyesight of a healthy adult (although it may cause temporary strain).
Squinting helps to improve vision, at least temporarily, by allowing less light into the retina allowing us to focus our eyesight more easily.
Greying is largely determined by genes. Stress may cause hair to turn grey early, perhaps from increased oxidation, but studies are lacking.
Fluoride is a name for several fluorine compounds. Fluoride is good for oral hygiene in small doses, but extremely dangerous and toxic in large doses.
Science-wise there is no “gluten allergy”, but gluten related disorders like celiac disease, wheat allergies, and non-celiac gluten sensitivity are real.
There are four general blood types (A, B, AB, and O), each can be Rh ‘+’ or ‘-‘. Blood types differ by antigens on the surface of red blood cells.
Free radicals are atoms, molecules, or ions missing electrons. When antioxidants are unavailable, free radicals can damage cells in an effort to “balance” electrons through oxidation.
All coffee beans contain the same caffeine compound, but in different amounts. The way the caffeine buzz affects you depends on roast, bean type, and other factors.
Some think the tongue is the strongest muscle in the human body, but it’s difficult to find any definition of “strength” that would indicate this. There is no one way to measure strength and the tongue consists of eight muscles, not one.
Cannabis (pot) is a single plant genus, but selective breeding and hybridization of the Indica and Sativa species has produced many unique strains. Strains have different amount of specific organic compounds each affecting human physiology differently.