In terms of insomnia, I hear the same refrain over and over: How could one cup of coffee in the morning affect my sleep at night? We all underestimate how long caffeine lingers in the body. Caffeine has a half life of five to seven hours2 for most people. If you don’t remember this concept from high school chemistry, this means it takes about six hours for your body to metabolize half the caffeine, and another six hours to metabolize half of that....

Despite being told about a standard 28-day cycle, there’s actually no such thing as a “normal” menstrual cycle—the timeline will vary from person to person. In fact, one study published in the npj Digital Medicine journal found that only 13% of women had a 28-day cycle1, most peoples’ were either longer or shorter. Day 2: The period continues. The second day of your cycle is generally a heavy one. And while your PMS symptoms have (probably) cleared, you might have some cramps that accompany the bleeding....

Another big complaint is that the person on the app never looks as good as in their photos in real life, which sets up an initial meeting date that is supposed to be fun to have disappointment and frustration instead. Another bonus is you can be a more normal version of yourself if you meet someone in real life while engaging in activity versus just meeting a complete stranger for coffee....

Here, we explain how to do a vegan keto diet (which goes a step beyond the mostly plant-based keto 2.0 diet), the potential benefits and risks, and who may want to try it. “A vegan keto diet follows the same principles [as keto] but without any animal-derived products, like meat and dairy,” says cardiologist and plant-based diet proponent Joel Kahn, M.D. The ideal macronutrient breakdown (i.e., percentage of your daily calories coming from fat, protein, and carbs) for a keto diet typically looks something like this: Some experts have expressed concern that—depending on how it’s formulated—a traditional keto diet may be too high in animal-based saturated fats and low in heart- and gut-friendly fiber....

But sometimes, getting to our healthiest selves requires us to lose a bit of weight, and we get that. The thing is, hitting our happiest and healthiest weight isn’t often as simple as cutting out certain foods, especially if you actually want to maintain it in the long term. (Ask anyone who’s tried to drop a few pounds by following a rigid set of rules, only to gain it all back later....

Use this breakdown of vegan vitamin D food sources, vitamin D supplement options, and how much of this important vitamin we need to ensure your diet and supplement routine provides ample amounts for optimal lifelong health.* A few specific benefits worth noting: Something vegans need to consider, though: Most vitamin D3 supplements are made from lanolin, which is a yellow fat that comes from sheep’s wool8 that is UV irradiated to create a concentrated D3 (aka cholecalciferol) source....

These folks also have a strong intuition and can pick up on the emotions of others easily—but they can remain mysterious in their own right. They’re not always willing to open up themselves. “Like water, they can be refreshing, or they can drown you in their depths,” the twins say. Finally, water signs can become quite attached in their relationships, idealizing their partners and dealing with anxious attachment styles. The twins previously told mbg water signs are “really not very good at casual dating because they fall in love quickly....