It helps prevent illness because they washed their hands and if they didn't 1 that would be nasty and 2 no one want pee or poop on their food that they are going to eat.
Protein digestion would be more difficult because of that buffering action of sodium bicarbonate on the stomach acid, which alters the optimum pH for the action of pepsin, a major protein-digester
No i do not think the drug was effective enough
The easiest way to remove earwax inside the ear canal is to just use a washcloth. You also can try putting a few drops of baby oil, hydrogen peroxide, mineral oil, or glycerin in your ear to soften the wax. Or you can use an over-the-counter wax removal kit. Besides cotton swabs or any other small or pointy objects, don't use ear candles to clean your ears.