› added 5 years ago

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TIL that Vitamin D deficiency is linked with many health disorders, including depression. In a survey of almost 8,000 US residents, it was found that those with lower vitamin D levels "are at a significantly higher risk of showing depression".

Read more jneuropsychiatry.org

via reddit.com

ZpDMa TIL that after a Dr Seuss cartoon featured a Flit insecticide sprayer, he landed an endorsement deal with the company for 17 years, which allowed Seuss and his family to get through The Great Depression.
QNNge TIL The discovery of vitamin D curing rickets in the 1930s led to the fortification of common foods. This took the statistics of approximately 80–90% of children showing varying degrees of bone deformations due to vitamin D deficiency to being a very rare condition.
GAk5G TIL that dogs intentionally try to make humans laugh. They understand that laughter means play, and play is positive.
GA7x7 TIL about an obscure Egyptian god named Medjed. The only god depicted as forward facing and having 2 eyes. He also bizarrely gained popularity on the Japanese internet shortly after his discovery.
e0eME TIL The saw used to cut off a cast cannot cut human skin. The saw vibrates rather than rotating which can be absorbed by the skin but splits the cast.