Athletic performance is a complex trait that is influenced by both genetic and environmental factors.
Although you do not realize it, the electrical appliances in your home create positive ions, which are bad. Closed homes are full of positive ions generated by televisions, microwaves, radios and other items.
A study in Epidemiology closely examined almost a decade’s worth of medical records from four major cities (Chicago, Detroit, Seattle, and Pittsburgh) and found that diabetics were twice as likely as non-diabetics to be admitted to hospital with cardiovascular issues due to air pollution. Additionally, they also found that elderly patients aged seventy-ﬁve or over faced a much higher risk of cardiovascular damage from airborne pollutants.