Biotin, often added to hair and nail products, seems to strengthen both. Less research exists to document the impact of various foods on hair and nail health than to illustrate the role of diet in healthy skin. But there are still a few foods to consider avoiding if you're concerned about brittle nails or thinning hair.
Addiction is defined as a chronic, relapsing brain disease that is characterized by compulsive drug seeking and use, despite harmful consequences.â  It is considered a brain disease because drugs change the brainâthey change its structure and how it works.. Volkow and H. Schelbert. Addiction is a lot like other diseases, such as heart disease. Both disrupt the normal, healthy functioning of the underlying organ, have serious harmful consequences, and are preventable and treatable, but if left untreated, can last a lifetime.
Addiction is a disease. A person may seem to make a voluntary choice to try a drug or begin a type of behavior, but theyâre heavily influence by a variety of genetic and environmental factors. Those factors increase or decrease the likelihood of an individual becoming addicted to drugs or alcohol. Addiction changes the brain.