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Pellagra is a disease caused by a lack of the vitamin niacin (vitamin B 3). [2] Symptoms include inflamed skin, diarrhea, dementia, and sores in the mouth. [1] Areas of the skin exposed to friction and radiation are typically affected first. [1] Over time affected skin may become darker, stiffen, peel, or bleed. [1] [3]
Common, most foods do not contain vitamin D, indicating that a deficiency will occur unless people get sunlight exposure or eat manufactured foods purposely fortified with vitamin D. Vitamin D deficiency is a known cause of rickets, and has been linked to numerous other health problems.
However, Jamaican pediatrician Cicely Williams introduced the term in 1935, two years after she published the disease's first formal description. Williams was the first to research kwashiorkor and differentiate it from other dietary deficiencies. She was the first to suggest that this might be a protein deficiency.
“B12 deficiency is also more common in people with Alzheimer’s disease, so you may have two things going on,” Kaiser says. As a result, doctors will usually recommend taking a vitamin B12 ...
In the 1930s, he contributed significantly to finding a cure for pellagra, a nutritional disease that once afflicted millions in the American South. Later, he also made a large contribution to finding cure for tropical sprue. For his efforts in elimination of pellagra, Time Magazine named him as 1938 "Man of the Year" in comprehensive science. [1]
After analyzing health and nutrition data from nearly 400,000 Americans, the researchers found that people who took multivitamins had a small but significantly greater risk of premature death than ...
Micronutrient deficiencies are considered a public health problem worldwide. For over 30 years it has been estimated that more than two billion people of all ages are affected by this burden, [1] while a recently published study based on individual-level biomarker data estimated that there are 372 million children aged 5 years and younger, and 1.2 billion non-pregnant women of reproductive age ...
The Casal collar or Casal necklace is a medical sign in which there is a redness and darkening of the skin around the neck, seen in people with pellagra. [2] It becomes prominent following exposure to sun, and can be itchy with a burning feeling and pain. [1] It can blister and weep, and turn into thick dark skin, with a coppery hue. [1]