Your earbuds go in first thing in the morning and come out at night. Calls, podcasts, music, the gym, the commute. That adds up to hours a day with a small radio transmitter sitting inside your ear, r … read more

You can drink water all day and still feel dry, tired and foggy. That is why more people are asking whether the amount of water is the whole story, or whether the water itself matters too. Structured … read more

Your WiFi router never sleeps. It sits in the living room or the hallway, sometimes right outside a bedroom, sending out signal all day and all night so every phone, laptop, TV and smart speaker stays … read more

Fluoride is in most American tap water, and for decades almost nobody questioned it. Now more people are asking what it does in the body, whether it is safe for a baby's bottle, and how to get it out … read more

You are tired, you go to bed on time, and then you lie there. Your mind replays the day, you check the clock, and the night slips away. Most people in that spot do not want a prescription. They want a … read more

Eight glasses a day is the rule most of us grew up with. It is easy to remember, but it is not what the health authorities actually say. The real answer depends on whether you are a man or a woman, ho … read more