How does drugs affect physical health?

Side effects of drug addiction may include: Nausea and abdominal pain, which can also lead to changes in appetite and weight loss. Increased strain on the liver, which puts the person at risk of significant liver damage or liver failure. Seizures, stroke, mental confusion and brain damage. Lung disease.

How do you feel when addicted?

You may put on or lose weight, experience health problems, lose a lot of money, and destroy relationships. But your reasoning may be that nothing made you feel happy in the past anyway, and, at least for a short time, your addiction does.

What drug does to the body is called?

Pharmacokinetics (PK) is broadly defined as “what the body does to a drug.” PK focuses on the movement of drugs into, through, and out of the body.

When someone is under the influence of drugs?

Some signs that someone may be under the influence of a drug include: Enlarged pupils, bloodshot or glassy eyes. Increased energy and confidence. Loss of inhibitions.

What does psychology say about addiction?

It is characterized by the inability to control behavior, it creates a dysfunctional emotional response, and it affects the users ability to abstain from the substance or behavior consistently.” Psychology Today defines addiction as “a state that can occur when a person either consumes a substance such as nicotine.

Where are most drugs absorbed in the body?

Because most absorption occurs in the small intestine, gastric emptying is often the rate-limiting step. Food, especially fatty food, slows gastric emptying (and rate of drug absorption), explaining why taking some drugs on an empty stomach speeds absorption.

What is F pharmacokinetics?

F = fraction absorbed (bioavailability) K0 = infusion rate. T = duration of infusion. C = plasma concentration.

What is a fun fact about drugs?

The United States represents 5\% of the world’s population and 75\% of prescription drugs taken. 60\% of teens who abuse prescription drugs get them free from friends and relatives. Adderall use (often prescribed to treat ADHD) has increased among high school seniors from 5.4\% in 2009 to 7.5\% this year.