Not a scientific answer, but because they are immature.
Answer:
we can reduce the risk of developing CVD is by-
1.keep your cholesterol and triglyceride levels under control.
2.control your blood pressure
3.stay at a healthy weight.
4.don't smoke
5.eat a healthy diet.
Marijuana is classified as a psychoactive.
Five cardinal signs of an infection should be swelling, high temperature,pain, redness and stuff coming out your body such as pus. :).
