› added 4 years ago

168

TIL that you shouldn't rinse out your mouth after brushing your teeth but rather just spit it out?

Read more nhs.uk

via reddit.com

x6Nx7 TIL in treatment studies, the placebo effect is sometimes enhanced when a participant taking a placebo has regular appointments with a researcher, especially in elderly people who are more reclusive.
lLEr TIL that Fred Savage directed 19 of episodes of Its Always Sunny
WkdG9 TIL that Ultraviolet blood irradiation (UBI) was extensively used in the 1940s and 1950s to treat many diseases including septicemia, pneumonia, tuberculosis, arthritis, asthma and even poliomyelitis.
nO6b TIL that the 1978 arcade game “Space Invaders” was so popular upon its release that by mid-1981, Space Invaders machines had grossed more than four billion quarters.
eEmE TIL When Beethoven went deaf, he composed his music by hacking the legs off his piano and sitting on the floor so he could feel the vibrations.