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The two ages with the largest molecule and microbe changes, scientists found, occur when a person is in their mid-40s and early 60s. “We expected the changes in the 60s because this is when ...
The shifts the researchers found might help explain numerous age-related health changes, such as muscle loss, because “your body is breaking down food differently,” Zeltser said. Researchers ...
The effects of spaceflight on the human body are complex and largely harmful over both short and long term. [ 1] Significant adverse effects of long-term weightlessness include muscle atrophy and deterioration of the skeleton ( spaceflight osteopenia ). [ 2] Other significant effects include a slowing of cardiovascular system functions ...
Planes can withstand the weather. Next time you’re flying through turbulence, look out the window at the wing. You’ll notice it flexing. It’s supposed to do that. The flex actually helps the ...
Presbyopia is physiological insufficiency of accommodation associated with the aging of the eye that results in progressively worsening ability to focus clearly on close objects. [ 4] Also known as age-related farsightedness [ 5] (or age-related long sight in the UK [ 6] ), it affects many adults over the age of 40.
Lead poisoning, also known as plumbism and saturnism, is a type of metal poisoning caused by lead in the body. [ 2] Symptoms may include abdominal pain, constipation, headaches, irritability, memory problems, infertility, and tingling in the hands and feet. [ 1] It causes almost 10% of intellectual disability of otherwise unknown cause and can ...
In the 30 years from 1993 to 2023, the S&P 500 ( ^GSPC) had a compound annual growth rate (CAGR) of 7.8%. Reinvesting dividends would have boosted that return to 9.9%, according to Yahoo Finance ...
A drone is characterized by eyes that are twice the size of those of worker bees and queens, and a body size greater than that of worker bees, though usually smaller than the queen bee. His abdomen is stouter than the abdomen of workers or queen. Although heavy bodied, the drone must be able to fly fast enough to accompany the queen in flight.