You're tired. There's a baby on your hip and a toddler pulling at your skirt, and somewhere in between the two of them you're still supposed to figure out dinner. Almost every mother asks the same question: "Am I feeding my kid right?" Here's what the research actually says — about animal protein, iron, the liver-and-marrow trend, and what you need too, before and after birth.

A dietitian breaks down what real research says about food, omega-3s, zinc, and fertility — and where protein quality fits in.

Have you ever looked at a blood test and seen the word 'creatinine' and wondered if it's bad news? It's not. Creatinine is just leftover material from something your body makes and uses every day: creatine. And one of the best places to get creatine is food you probably already eat. Meat. Your body only makes about a gram of creatine a day by itself. To get a healthy full amount, you need another gram or two from food. Very few foods actually provide it. Plants have almost no

Almost 90% of Americans fall short on a nutrient their brain and liver can't work well without. Here's what choline does, and why it's missing.