A study found that more than 20% of reusable water bottles sampled contained coliform bacteria, or fecal matter. Here’s the best way to clean your water bottle and avoid harmful germs.

4. Mini: This ultra-lightweight stainless steel water bottle fits perfectly in handbags, making it easy to carry a quick drink of water with you at all times. 5.

For his part, Rosen says the water bottle hack is a generally safe choice for migraine sufferers so long as they take precautions. “I would say if you do it, be careful and don’t let it hurt ...