mayoclinic.org

yV9jJ TIL that we should wait at least 1h to brush teeth after having food or drinks that contain a lot of acids (soft drinks such as soda, sour candies, citrus juices/fruits). The acid softens the enamel and brushing too soon after you eat or drink something acid can take the enamel off your teeth.
VBZdk TIL all of us will have blurry eyes someday. Presbyopia is the gradual loss of your eyes' ability to focus on nearby objects. It's a natural, often annoying part of aging. Presbyopia usually becomes noticeable in your early to mid-40s and continues to worsen until around age 65
78Bo7 TIL that a broken heart can literally break your heart - Broken Heart Syndrome (Takotsubo cardiomyopathy) is a real condition where intense emotional stress can cause physical symptoms like chest pain, shortness of breath, and even heart attack-like symptoms.