Luckily, estimating the caffeine content of an espresso-based drink -- and how it compares to a regular old cup of Joe -- doesn't have to be confusing. Although espresso beans are a bit different ...

The latest gem I’m snagging? The Ordinary’s Caffeine Solution eye treatment that’s just $9 on Amazon (a.k.a. less than my lunch).

More than 300 mg of caffeine could have negative effects on the body, such as restlessness, anxiety, irritability, muscle tremors, sleeplessness, headaches, nausea, diarrhea, and abnormal heart ...

Caffeine affects the body in a variety of ways, particularly if you drink a lot. Having too much can cause gastrointestinal ...

Caffeine's pervasiveness is a cause for concern ... arrive to stay alert—preferably out in the sunshine—until your regular bedtime in your destination. (During weeks of global travel for ...

How much caffeine you usually get may also play a role. People with diabetes who are regular coffee drinkers don’t have higher blood sugar levels than those who aren’t. Some experts think your ...

To prevent the commonly experienced caffeine "crash," strategies must focus on dose, frequency, and composition. Microdosing, defined as consuming small doses (20–40 mg) at regular intervals ...

Since regular-strength coffee contains around 95 mg of caffeine per cup, experts recommend that younger children avoid it. "I really would not recommend a regular cup of coffee until age 16 or ...