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harvard health blog


I have a confession: in late 2020, when the first COVID-19 vaccines were approved by the FDA, I was hesitant to get one myself. Despite working in public health and believing strongly in vaccines to keep our community healthy, I was anxious about putting something in my body that seemed so new. I thought: “What …

As much as we try to avoid having our babies go through pain, sometimes it is inevitable — and sometimes, as is the case with vaccinations and blood tests, pain is part of something that is ultimately important for the baby’s health and well-being. Luckily, shots and blood tests are both quick. But there are …

What can we expect from the flu season this year? Unfortunately, many experts are predicting an active, and possibly severe, flu season. This projection is based on data from Australia, where the flu season is just wrapping up. Australia was hit early and hard by flu this year: over 300,000 patients had laboratory-confirmed influenza, a …

Many years ago, I worked for a reproductive endocrinologist who hosted a yearly gathering of former patients. It was there that I encountered a woman holding infant twin daughters. When I congratulated her on her twins, she had these thoughts to share: “I’m a psychiatrist and I hope you’ll pass this on. Please tell people …

“I’m not a teenager anymore, why do I still have acne?!” This is a question we hear from patients on a daily basis. The truth is, it is quite common to see acne persist into adulthood. Although acne is commonly thought of as a problem of adolescence, it can occur in people of all ages. …

Chronic rhinosinusitis is a long-lasting medical condition, usually caused by infection or exposure to irritants, such as allergies, that affects one in seven American adults. Symptoms include nasal obstruction, nasal congestion, nasal drainage, loss of smell and taste, and facial pain and pressure. Some people with chronic rhinosinusitis also develop additional symptoms, such as asthma …

Doesn’t it seem like Botox is showing up everywhere as a medical treatment? Botox is a brand of botulinum neurotoxin (BoNT), a protein substance originally derived from the bacterium Clostridium botulinum. In its original form it was the toxin responsible for botulism, the paralyzing illness often caused by eating contaminated food. BoNT is now used …

You can picture the long-ago scene perfectly: The waiter opens your bottle of champagne with the familiar — yet always startling — pop. The bubbles tickle your nose as you sniff the effervescent liquid. You raise your glass as you look into the eyes of your spouse. You see pupils dilate as those eyes look …

Globally, Alzheimer’s disease and other forms of dementia are a major burden on individuals and communities. To make matters worse, there are few treatments to combat these complex illnesses. Even the causes of dementia are widely debated. Sadly, clinical trials for drugs to stop or even slow its progress have come up short. Taking a …

For all parents, it’s a scary time when their teen starts to drive. For parents of teens with ADHD, it can be — and should be — even scarier. ADHD, or attention deficit hyperactivity disorder, is a condition that can cause problems with attention, impulsivity, and hyperactivity. These are not problems you want to have …