too many antibiotics
When sick, there's often an urge to head to the doctor to demand medication. Unfortunately, over-prescribing antibiotics has led to antibiotic resistance, which means drugs are less effective than they used to be. Modern docs are aware of this disturbing development, so resist the urge to ask for an antibiotic if you don't need one.
Related: Which Pharmacy Is Cheapest?
heaping on hand sanitizer
While the Centers for Disease Control and Prevention (CDC) recommends that hand sanitizer is a viable choice when soap and water is unavailable, the U.S Food and Drug Administration (FDA) is investigating the health and safety of ingredients in these products. There is also concern that using sanitizer too often can result in resistance to the nasty germs we're trying to combat. If possible, scrub well with soap and water instead.
drinking too much h2o
Water is life, but it really is possible to overdo it. Overhydration can have serious consequences. Folks who do a lot of athletic training (such as marathon runners) are more at risk of hyponatremia, which occurs when levels of sodium in the blood drop so low people suffer seizures, coma, or even death.
Related: 18 Foods That Will Help You Hydrate
sleeping too much
brushing after every meal
too much soy
For those who are hoping to amp up their non-meat protein intake, soy is often perceived to be a good substitute. Some soy is good for you, but it should be moderated — studies of rats suggest that overdoing soy in your diet may have detrimental effects on the reproductive system.
going gluten free
Those who have a medical need to avoid gluten (such as celiac disease) should avoid it — but the number of people cutting out gluten now extends far beyond that group. While some people think avoiding gluten will make them healthier, it can have opposite effect when pre-packaged, high-calorie subs are used, like gluten-free cookies and snacks.
using chemicals instead of sugar
Making a healthy change in eating habits is a good thing, but going on a hardcore crash diet is not. Crash diets can deplete your body of nutrients and lead to severe health problems.
buying single-serve bottled water
Tap water can contain contaminants that, although regulated, are still undesirable. Many turn to bottled water, but then have to contend with the environmental impact of plastic bottles. Not to mention that bottled water is less regulated than tap water and doesn't hold any guarantees that it will be safer or cleaner. Instead, put a filter on your home faucet.