2. Why does Puddicombe think it is especially tragic that our minds are lost in thought almost 47 percent of the time? What can we do about it?

exposure to hazardous carcinogens and toxic substances can cause breathing problems, such as copd and various types of cancer. it also increases the risk of heart attacks and strokes and has serious (but no less unattractive) side effects, such as aging, yellow teeth, a terrible smell and damage to the vocal cords.

answerdecreased blood pressure;