Its crazy but only about 80% of american adults don't get the recommended amount of exercise on a regular basis.
Answer:
"Helps fight off infection" protein doesn't do that. Your white blood cells is what fights that for you.
Throughout life our brains undergo more changes than any other part of the body. These can be broadly divided into five stages, each profoundly affecting our abilities and behaviour.
Gestation.....Part 1 of our special feature looks at how a good prenatal environment is needed to make the best out of the growing brain.
Childhood.....Part 2: Life experiences in these early years help shape our emotional well-being, but neglect or harsh parenting may change the brain for good.
Adolesence......Part 3: Teenagers are selfish, reckless, irrational and irritable, but given the cacophony of construction going on inside the adolescent brain.
Adulthood.......Part 4: The peak of your brain’s powers comes at around age 22 and lasts for just half a decade – but there is an upside to the ageing brain.
Old Age......Part 5: Not everyone ages in the same way, but what’s the difference between a jolly, intelligent oldie and a forgetful, grumpy one? And can we improve our chances of becoming the former?
D. Sleeping habits
Because you can’t control what age you are. You can’t control the climate. You can’t control poverty. But u can control your sleeping habits