There is no safe amount of asbestos exposure; cancer risk rises with cumulative dose, duration, fiber type, and smoking.

If a heart attack is suspected, emergency teams often use 160–325 mg of chewable aspirin while urgent care is arranged.

For most adults, staying well below the ADI for each artificial sweetener—set in mg per kg of body weight—keeps daily intake in a safe range.

Most adults take 600–1,200 mg of artichoke extract per day for liver health, split into two or three doses with meals, if a clinician agrees it is suitable.

Most heart experts say no artery blockage is truly normal, and levels above about 70% usually count as severe and unsafe.

Your heart has two main coronary arteries that branch into several major arteries and many smaller branches to feed the heart muscle.

Brown rice averages about 80–160 parts per billion of inorganic arsenic, though levels vary widely by brand, origin, and cooking method.

One average apple seed carries trace arsenic, and real poisoning concern comes instead from cyanide released when many seeds are chewed.

A medium apple usually contains about 1 microgram or less of arsenic, while apple juice is kept under 10 parts per billion by regulators.

Most healthy adults should keep total L-arginine from supplements at or below 9–20 grams per day, split into smaller doses.