Chronic stress, or a constant stress experienced over a prolonged period of time, can contribute to long-term problems for heart and blood vessels. The consistent and ongoing increase in heart rate, and the elevated levels of stress hormones and of blood pressure, can take a toll on the body. i hope this helps <3
Because you could be a mere 100 lbs and still have a high body fat ratio. Transversely, you could weight 300 lbs and have a low body fat ratio. Hope this helped :)