Vitamin D deficiency - Mayo Clinic
May 10, 2025 · Some groups are at risk for vitamin D deficiency. Those at risk of vitamin D deficiency include people who have obesity, people who have Black or brown skin, and people who are older …
Vitamin D deficiency: Can it cause high blood pressure?
Feb 26, 2025 · A low vitamin D level seems to increase the risk of heart disease and death due to heart disease. Too little vitamin D level may make you more likely to have high blood pressure and diabetes.
Vitamin deficiency anemia - Symptoms & causes - Mayo Clinic
Sep 16, 2025 · Vitamin deficiency anemia is having too few healthy red blood cells. It happens when the body has too little vitamin B-12 and folate. Not eating enough foods that have vitamin B-12 and folate …
Vitamin D and MS: Is there any connection? - Mayo Clinic
Feb 26, 2025 · Very large doses of vitamin D over a long period can result in bad side effects. Symptoms include nausea, vomiting, constipation, poor appetite, weakness and weight loss. Very …
Examining the prevalence of low vitamin D levels in patients with ...
Oct 22, 2024 · Multiple sources have noted that some patients with gastroparesis (Gp) have low levels of vitamin D. However, studies exploring the relationships of vitamin D deficiency with Gp symptoms …
Vitamin D - Mayo Clinic
Mar 21, 2025 · Vitamin D is a nutrient the body needs, along with calcium, to build bones and keep them healthy. The body can absorb calcium only if it has enough vitamin D. Calcium is a major part of …
Hyperparathyroidism - Symptoms & causes - Mayo Clinic
Sep 19, 2025 · Secondary hyperparathyroidism is common in people who have kidney disease. It also may happen in people who have diseases that affect the intestines, after some surgeries involving …
Vitamin D toxicity: What if you get too much? - Mayo Clinic
Feb 20, 2025 · Vitamin D toxicity is a rare condition that happens when too much vitamin D is in the body. The condition can have serious effects on health. Another name for it is hypervitaminosis D. …
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Jul 6, 2024 · Can taking a vitamin D supplement prevent infection with the virus that causes coronavirus disease 2019 (COVID-19)? It is not clear if vitamin D supplements help prevent infection with the …
Vitamin deficiency anemia - Diagnosis & treatment - Mayo Clinic
Sep 16, 2025 · Treatment for vitamin deficiency anemia involves taking the vitamin you don't have enough of. For pernicious anemia, you most often get vitamin B-12 in a shot. You may need to keep …