› added 2 years ago

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TIL prolonged use of beta 2 agonists in case of bronchial asthma can lead to down regulation of beta receptors.

Read more pubmed.ncbi.nlm.nih.gov

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rMae TIL In the 1970s, the Supreme Court ruled that credit card companies could “export” interest rates. Citibank moved its card operations to South Dakota, which got rid of its usury laws, creating unlimited rates for all Americans.
GV1J TIL 52% of the posts the make the front page of Reddit have been submitted at least once before.
epKv6 TIL that the deepest scuba dive of all time was 1,090 feet, set by Ahmed Gabr in 2014. It took him nearly a decade to properly prepare for the dive. While the descent took only 15 minutes, the ascent back to the surface took over 13 hours.
OoXYR TIL about the Crooked Forest (Krzywy Las) in Poland, a forest of pine trees that bend sharply to the North before returning upright after 3ft of growth, thus resembling fish hooks. No exact reason has been found for their shape as yet.
9wp TIL A Sikh must “defend the rights of all who are wrongfully oppressed or persecuted irrespective of religion, colour, caste or creed.”