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.
Diseases, conditions, and disorders are any health related issues that affect an organism.
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.
Sleeping on a problem works. Studies show a positive correlation between sleep and cognitive function. Contemplating a problem and then “sleeping on it” can result in better problem solving
The old saying “feed a cold, starve a fever” has truth to it, but generally you should feed a cold and a fever and starve neither.
Single payer isn’t “government run healthcare,” single payer only describes funding, not who manages the fund or how healthcare is delivered.
Squatting probably provides a healthier defecation posture than sitting due to the excessive pressure that sitting creates.
Jonas Salk invented the polio vaccine in 1953 but never patented it. He believed, that like the sun, a vaccine for polio belonged to the people.
Exposure to light in moderation, especially natural sunlight, can have an uplifting effect on mood, while excessive darkness can have the opposite effect.
Studies show you can semi-effectively catch up on short-term sleep debt over a few nights, but not long-term sleep debt accumulated over time.
Processed meats, like bacon, cause a small increase in the risk of cancer. Processed meat is classified as Group 1 by the IRAC, carcinogenic to humans.