"The Science Behind Using Vicks VapoRub on the Soles of Your Feet"
The People's Pharmacy responds to a reader's skepticism about using Vicks VapoRub on the soles of the feet as a nighttime cough remedy, citing a study that suggests its ingredients may activate channels in the skin to reduce cough symptoms. They also caution a reader using biotin-containing shampoo for hair loss due to hypothyroidism, as it may interfere with thyroid tests, leading to inaccurate results and potentially exacerbating the issue.
