The answer is HIV. Hiv or human immunodeficiency is a virus that can weaken the body's immune system. Infection with HIV causes a life-threatening illness called AIDS also as immunodeficiency syndrome.
Answer:
EAR (Estimated Average Requirement) is the standard used to estimate daily nutrient needs of half of all healthy individuals.
Explanation:
Estimated Average Requirement (EAR) is basically the daily intake value of a nutrient that is estimated to meet the nutrient requirement of half the individuals which are healthy in a gender group and a life stage.
It is the level of intake for a nutrient at which the needs of 50% of the population will be met. Because the needs of the remaining population will not be met by this amount. It is basically derived from a group estimate.
Explanation:
Yes, Nicotine is very addictive, so like, if you take a ciggerate and start to smoke, the smoke enters your lungs, and nicotine is instantly absorbed into the blood and delivered into the brain, it takes effect sometimes as quickly as 10 seconds. Nicotine can change how the brain works or thinks, and can make the brain to crave more of it. Nicotine when it enters your brain realeses a thing called, dopimine which gives the person a good feeling. Dopamine is something in the nervous system to send messages to the brain cells, your body makes it, high levels of dopamine change our daily behaviors. So if nicotine releases or rises the dopamine, it can get you sick and addicted really easily in just 2 or 3 days of smoking, i will not consider smoking any tobaco.