This is important because birth weight is a predictor of infant health. Women who take birth control pills and who smoke are at a greater risk for cancer. Brain Strokes are generally caused by a combination of high blood pressure and smoking and are the third leading cause of death in the U.S. Nicotine from any source constricts blood vessels and restricts oxygen supply. Using 3 - 5 marijuana joints a week equals smoking 16 cigarettes daily. Smoking is associated with gum disease, loss of teeth, cancer of the cheeks, gums, palate, tongue, lips, larynx and esophagus.
Cocaine increases heart rate and blood pressure.
Temperature rises and arteries constrict, causing restricted blood flow to the heart and possible heart attack. Bladder, Kidneys Concentration of tars, carcinogens, and chemicals from marijuana in the kidneys and bladder is associated with cancers in these organs. Cocaine use causes inflammation and breakdown of small and medium arteries in the kidneys and gastrointestinal tract. Bronchioles, Lungs Marijuana is a respiratory irritant that causes sore throats and chronic coughs. Use of crack or cocaine may cause the respiratory system to fail.