Vitamin D deficiency - Mayo Clinic
2022年10月7日 · Vitamin D deficiency — when the level of vitamin D in your body is too low — can cause your bones to become thin, brittle or misshapen. Vitamin D also appears to play a role in insulin production and immune function — and how this relates to chronic disease prevention and cancer — but this is still being investigated.
Rickets - Symptoms & causes - Mayo Clinic
2021年2月25日 · Dark skin has more of the pigment melanin, which lowers the skin's ability to produce vitamin D from sunlight. Mother's vitamin D deficiency during pregnancy. A baby born to a mother with severe vitamin D deficiency can be born with signs of rickets or develop them within a few months after birth. Northern latitudes.
Vitamin deficiency anemia - Symptoms & causes - Mayo Clinic
2024年2月7日 · Vitamin B-12 deficiencies. Low levels of vitamin B-12 can be caused by: Diet. Vitamin B-12 is mainly found in meat, eggs and milk, so people who don't eat these types of foods may need to take B-12 supplements. Some foods have been fortified with B-12, including some breakfast cereals and some nutritional yeast products. Pernicious anemia.
Seasonal affective disorder (SAD) - Symptoms & causes - Mayo …
2021年12月14日 · Symptoms of depression may worsen seasonally if you have one of these conditions. Living far from the equator. SAD appears to be more common among people who live far north or south of the equator. This may be due to decreased sunlight during the winter and longer days during the summer months. Low level of vitamin D.
Vitamin D and MS: Is there any connection? - Mayo Clinic
2023年4月19日 · Research studies have shown that taking 400 IU or more of vitamin D a day lowers the risk of MS in women. But if you're diagnosed with vitamin D deficiency, it may be appropriate to take up to 50,000 IU a week for up to three months. Once you've reached the recommended level of vitamin D, switch to a maintenance dose.
Vitamin D toxicity: What if you get too much? - Mayo Clinic
2022年3月22日 · Vitamin D toxicity, also called hypervitaminosis D, is a rare but potentially serious condition that occurs when you have excessive amounts of vitamin D in your body. Vitamin D toxicity is usually caused by large doses of vitamin D supplements — not by diet or sun exposure. That's because your body regulates the amount of vitamin D produced ...
Vitamin D - Mayo Clinic
2023年8月10日 · Vitamin D supplements are used to treat adults with severe vitamin D deficiency, resulting in loss of bone mineral content, bone pain, muscle weakness and soft bones (osteomalacia). Osteoporosis. Studies suggest that people who get enough vitamin D and calcium in their diets can slow bone mineral loss, help prevent osteoporosis and reduce bone ...
Vitamin D deficiency: Can it cause high blood pressure?
2023年4月7日 · A vitamin D deficiency means you don't have enough vitamin D in your body. A lack of vitamin D makes bones weak. But the link between vitamin D and blood pressure isn't clear. In general, vitamin D may change how some body chemicals control blood pressure. The vitamin also seems to keep the lining of blood vessels flexible and healthy.
Ataxia - Symptoms and causes - Mayo Clinic
2024年1月30日 · Ataxia may be caused by not getting enough vitamin E, vitamin B-12 or vitamin B-1, also known as thiamine. Too little or too much vitamin B-6 also may cause ataxia. Not getting enough of a certain vitamin is known as a vitamin deficiency. When a vitamin deficiency is the cause of ataxia, it often can be reversed. Thyroid conditions.
Iron deficiency anemia - Symptoms & causes - Mayo Clinic
2022年1月4日 · A lack of iron in your diet. Your body regularly gets iron from the foods you eat. If you consume too little iron, over time your body can become iron deficient. Examples of iron-rich foods include meat, eggs, leafy green vegetables and iron-fortified foods. For proper growth and development, infants and children need iron from their diets, too.