BIOMOLECULES AND ENZYMES

Detailed explanation-1: -Pellagra is a disease that occurs when a person does not get enough niacin (one of the B complex vitamins) or tryptophan (an amino acid).

Detailed explanation-2: -Dermatitis (skin photosensitivity) Pellagra also produces a distinctive type of dermatitis, particularly on sun-exposed areas of the body, such as the face, neck, arms, legs, hands and feet. Deprived of energy resources, the skin cells become more photosensitive.

Detailed explanation-3: -What is pellagra? Pellagra is a disease caused by low levels of niacin, also known as vitamin B-3. It’s marked by dementia, diarrhea, and dermatitis, also known as “the three Ds”. If left untreated, pellagra can be fatal.

Detailed explanation-4: -Pellagra is defined by the systemic disease resulting from niacin deficiency, and it is characterized by diarrhea, dermatitis, dementia, and death, which usually appear in this order. GI tract symptoms always precede dermatitis, or, according to Rille, “Pellagra begins in the stomach".

Detailed explanation-5: -Pellagra is a disease caused by a lack of the vitamin niacin (vitamin B3). Symptoms include inflamed skin, diarrhea, dementia, and sores in the mouth. Areas of the skin exposed to either sunlight or friction are typically affected first. Over time affected skin may become darker, stiffen, peel, or bleed.