Food & Nutrition

Lactose intolerance might bring up fears: never eating cheese or ice cream again?! It’s incredibly common, and your risk of becoming lactose intolerant increases as you age. If you’re asking, Why a...

Are sneaky substances hiding in healthy foods that could be derailing your health efforts and making you feel bad? Parsley Health investigates the role of antinutrients, such as phytates and oxalate...

Wondering how to heal your thyroid? Stress and diet play key roles in thyroid function, so it’s smart to make lifestyle and dietary changes part of your treatment plan for healing your thyroid. Th...

Is caffeine bad for you? The answer depends on whether you're a CYP1A2 ultrarapid metabolizer or a slow metabolizer. Maybe you're one of those people who can have an after-dinner cappuccino and sti...

This article contains additional reporting by   Jennifer Chesak . Does dairy cause inflammation? The short answer is maybe. Perhaps you're on the fence about whether you should skip dairy foods in...

At Parsley Health, we recommend taking a year to prepare your body to conceive. Our Founder and CEO Robin Berzin, MD , calls this a “fertility year." One of the best things you can do during this y...

This article contains additional reporting by  Jennifer Chesak .
Omega-3 vs omega-6 fatty acids: Here we provide a head-to-head comparison since these essential nutrients are not created equal. I...

Discovering you have certain genes that predispose you to life-changing conditions—such as diabetes, dementia, or cancer—can make you feel like you have no control over your future health. But what...

This article contains additional reporting by Jennifer Chesak. Heavy metals are in our food, beauty products and even teeth fillings, but many of us know little about them. You may be wondering if...

This article has been medically reviewed by Nisha Chellam, MD. It contains additional reporting by Jennifer Chesak . Are you feeling sluggish, bloated, and anxious? Sugar could be the culprit....