Does Drinking Alcohol Dehydrate The Body?

Yes it does, it causes the kidneys to work overtime and take an excessive amount of water out of the body.

Yes, and it causes many other health issues that accompany it. Alcohol kills in many, many different ways. It does damage to the liver, to the point of irreversible liver conditions, heart disease, stroke and cancer, stomach problems, and nutritional deficiencies. Neurological problems, such as confusion, numbness, and trouble remembering, birth defects, and even erectile dysfunction. There are effects on the family, with friends and even work and other social events. If you like to learn more, go to www.helpguide.org Good luck with this.

Yes, it depletes the available water in the body - that's what gives you a hangover.