What does the term discrediting mean ? how is it used in the selling of exercise and nutritional product ?

Look at the graph about the barriers to working out. what would 20 percent of the population report as a barrier for working out? inability to devote thirty minutes a day to working out lack of interest with creating a detailed workout schedule not having enough money to pay for yearly gym membership living in a community that does not have parks or a gym facility

Which is the link between heredity and tobacco addiction

Which respiratory measurement as useful in differentiating between obstructive and restrictive pulmonary dysfunction