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Harvard Health Ad Watch: Are nutritional drinks actually good for you?

If you believe ads for nutritional supplement drinks, you might think you can improve your health by drinking them. But for most people, their value is questionable and their cost adds up.

Blood pressure drugs may extend life even for frail, older people

Research we're watching

Frail, older people with health problems may live longer if they take the blood pressure medications their doctors prescribe, according to a study published in the August 2020 issue of the journal Hypertension.

Previous research suggests that in general, older people benefit from blood pressure drugs. But trials usually don't include people with multiple medical conditions, because those health problems make longevity findings challenging to interpret.

FDA approves broader use of clot-prevention drug

Research we're watching

Ticagrelor (Brilinta), a drug that helps prevent blood clots, was approved in 2011 for treating people who had experienced a heart attack or acute coronary syndrome (a sudden loss of blood flow to the heart). Now, the drug can be prescribed to a broader group of people. In June 2020, the FDA expanded ticagrelor's approval to reduce the likelihood of first heart attack or stroke among high-risk people with coronary artery disease.

The expansion is based on results from a multiyear study of more than 19,000 people with coronary artery disease and diabetes at high risk for a heart attack. Participants who took aspirin plus ticagrelor were less likely to experience a heart attack, stroke, or death from heart disease compared with those who took aspirin alone.

Chronic pain linked to higher risk of heart attack and stroke

Research we're watching

People with chronic pain may be more likely to have a heart attack or stroke than those without chronic pain, according to a study published online May 7, 2020, by the journal Pain Medicine.

From 2001 to 2005, researchers identified 17,614 Taiwanese people who had used pain relievers for at least three months. The most common causes of pain were spinal disorders, arthritis, and headaches; the pain relievers included both over-the-counter drugs and prescription opioids. For the comparison group, researchers used 35,228 people without chronic pain who were matched by age and sex to those in the first group.

Probiotic may help prevent recurrences of bacterial vaginosis

Research we're watching

If you've ever experienced a bout of bacterial vaginosis, a vaginal infection that affects anywhere from 15% to 50% of reproductive-age women, a study published May 14, 2020, in The New England Journal of Medicine may be of interest. It found that women who inserted a type of probiotic called Lactobacillus crispatus (Lactin-V) in their vagina twice per week were less likely to have a recurrence of bacterial vaginosis than women who did not. Experts don't fully understand what causes bacterial vaginosis, but it is associated with an overgrowth of some microorganisms (such as Gardnerella vaginalis or Prevotella), which outnumber healthier types of vaginal bacteria, including a common one called Lactobacillus. In many cases, the condition will recur after treatment. All of the 228 women in the study were initially treated for bacterial vaginosis with the standard topical antibiotic metronidazole (MetroGel Vaginal). But after that treatment, 152 of the women were assigned to use Lactin-V for an additional 11 weeks. The remainder of the group got a placebo treatment. Researchers found that only 30% of the Lactin-V group had a recurrence of bacterial vaginosis by week 12, compared with 45% of the placebo group.

Image: © spukkato/Getty Images

To prevent cancer, boost your exercise and don’t drink

Research we're watching

Move your body more and skip the alcohol to reduce your risk of cancer, says the American Cancer Society in its new cancer prevention guidelines. The updated recommendations, published online June 9, 2020, by CA: A Cancer Journal for Clinicians, also recommend cutting down on sugar and red meat, based on a review of the most recent scientific evidence.

Specifically, the new guidelines say that instead of exercising moderately for 150 minutes a week or doing 75 minutes of vigorous activity, adults should try to squeeze in 150 to 300 minutes of moderate activity or 75 to 150 minutes of vigorous activity — and that the higher number should be the target. As for diet, people interested in reducing their risk of cancer should aim to eat more plants, including whole (not refined) grains and at least two-and-a-half cups of colorful fruits and vegetables each day, and less sugar and meat (specifically limiting processed and red meat whenever possible). In the past, the ACS recommended moderate alcohol intake, but the new guideline says it's better to avoid alcohol altogether if possible. People who do drink should still stick to the previous recommended limits: no more than one drink a day for women and two drinks a day for men.

How to get your prescriptions when you can’t leave home

Home delivery is just a few clicks away.

Lots of things can keep you from picking up a prescription at your local pharmacy. You may be stuck at home because of disability, illness, social distancing, or a lack of transportation. But the longer you go without your medication, the more your health is at risk. That's why it's important to know how to use home delivery services that bring prescriptions right to your door.

Local pharmacy delivery

Just like in the old days, some local pharmacies still send their own staffers to deliver prescriptions to their customers. The pharmacies are usually small and independently owned. You might expect that kind of service from them.

Harvard study links inflammatory diet to Crohn’s disease

News briefs

Eating a diet high in foods tied to inflammation — such as processed meat, sweets, and refined grains — is associated with many health problems, including an increased risk for colon cancer, heart disease, stroke, or diabetes. A Harvard study published online May 7, 2020, by Gastroenterology found another potential risk: Crohn's disease, a condition characterized by areas of inflammation throughout the large and small intestines. Researchers evaluated 30 years' worth of self-reported diet information from more than 208,000 men and women. Diets were scored based on foods that promote inflammation. Compared with people who had the lowest inflammatory diet scores, people with the highest scores had a 51% higher risk for developing Crohn's disease. The risk for Crohn's doubled among people who went from a low- to a high-inflammatory diet during the study. The study is observational and doesn't prove that an inflammatory diet causes Crohn's disease. But with so many other risks associated with foods that promote inflammation, it's important to eat as many foods that fight inflammation as possible. In other words, focus on whole, unprocessed foods with no added sugar — such as vegetables, fruits, whole grains, legumes (beans, lentils), fish, poultry, nuts, seeds, a little bit of low-fat dairy, and olive oil.

Image: © dla4/Getty Images

The mental side of cardiac rehab

If you have experienced a heart attack or undergone a heart procedure, don't neglect your mental health during recovery.

Recovery from a heart attack, heart failure, angioplasty, or heart surgery — what doctors call heart events — can be stressful. Depending on your condition, it may also involve cardiac rehabilitation. This medically supervised program focuses on exercise, diet, and lifestyle changes. While the primary focus is to help you physically, you also need to address your mental and emotional health.

"It's normal to have some anxiety and stress after a heart attack or heart surgery," says Dr. Christopher Celano, assistant professor of psychiatry at Harvard-affiliated Massachusetts General Hospital. "But how long these feelings linger, and whether they are also associated with symptoms of depression, can affect your rehab recovery success and potentially increase your risk of future problems."

Another drug recall due to cancer-causing ingredients

News briefs

First it was certain blood pressure and heartburn drugs; now some medications used to treat type 2 diabetes are being recalled because of cancer concerns. The FDA warned in late May and early June 2020 that some lots of extended-release metformin may contain unacceptable levels of N-nitrosodimethylamine (NDMA), a possible cancer-causing chemical. At least five manufacturers are now issuing voluntary recalls of the medications. But if you take extended-release metformin, don't just stop on your own. Not all extended-release metformin products are affected by the voluntary recalls, and stopping any medication that controls blood sugar can be very dangerous. The FDA advises that you check in with your doctor or pharmacist. Ask if your medication is affected by the recall; if so, ask if you should switch to another version of the drug.

Image: fizkes/Getty Images

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