Gopnik argues that babies learn so much in such a short period of time because they need to, to be able to survive in the world.
A. Measure your heart rate before, and after workouts
Tar, carbon monoxide, nitrogen oxides, theyre harmful because they cling to the red cells in the blood and up to 15% of a smoker's blood may be carrying carbon monoxide round the body rather than oxygen.Smoking 'lower tar' cigarettes can increase the carbon monoxide levels as smokers inhale more deeply.Cigarette smoke has high levels of nitrogen oxide.
Hope that helps
Well there’s a lot of positive things but the main one would be how we are able to combat more and more viruses/ diseases and also we are learning more about how to improve our overall health.