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There are more sensory neurons in the tongue than in any other part of the body.
The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.
Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.