Experts are issuing warnings about the dangers of excessive vitamin D consumption after a UK man died of hypercalcemia, a rare condition caused by high levels of vitamin D.

David Mitchener, an 89-year-old retired businessman from the UK, died last year from hypercalcemia, a buildup of calcium in the body as a result of excessive levels of vitamin D. Michener was admitted to East Surrey Hospital on May 10, 2023, and was pronounced dead ten days later. According to a report from Jonathan Stevens, the assistant coroner at the hospital, the 89-year-old man’s vitamin D levels were at the maximum recordable level. Vitamin D toxicity was listed as one of the main factors in Michener’s death, along with Congestive heart disease, chronic kidney failure, and hypercalcemia.

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A Chinese woman whose violent coughs reportedly resulted in 10 fractured ribs was shocked to hear that her bones had become fragile due to her excessive sunblock use, which caused a severe vitamin D deficiency.

The 20-year-old woman from Zhejiang province, in eastern China, first started experiencing coughing episodes after pulling out a straw mat to sleep on to combat heat during the night. She started coughing that very night, and although her doctor first diagnosed her with a case of allergic asthma, the violent coughs soon revealed an even bigger health concern. After a few days, after particularly violent coughing fits, Xiao Miao (a pseudonym used by Chinese media) experienced severe pain in the left side of her chest, which investigations revealed was caused by several broken ribs.

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