Harvard Health Content API

Sibling rivalry is a remarkably normal feature of family life, but too much squabbling and competition can be hurtful, and can have lasting effects on children. What can parents do to manage this when it happens in their family?

Hormonal therapy is a cornerstone of prostate cancer treatment, but it has burdensome side effects. Doctors and patients alike are highly motivated to use this therapy only for as long as necessary. But how long is long enough? A recent study provides needed clarity.

Genes that helped people survive during the time of the Black Death are more likely to be found in people with autoimmune diseases alive today. Does this tell scientists anything about what surviving the COVID-19 pandemic might mean for the world’s population?

Weight-loss surgery has many proven benefits. Now, data from a study of people who had bariatric surgery and were followed for several years suggests that it also improves pain and physical function.

A study found that people with mild cognitive impairment who did crossword puzzles regularly showed modest improvement in cognition and less brain shrinkage. Will doing crossword puzzles be helpful to people whose thinking and memory are normal?

Social media and apps about babies and children can fuel worries about a child's development. It's important to remember that every child is different and may move through stages of development at varying paces.

Another holiday season is here, and this year we need to contend with other viruses besides COVID-19. Three Harvard experts share their thoughts on the best ways to keep ourselves and our family members healthy as we celebrate holidays together.

When you brush your teeth, how much thought do you give to what you’re doing? Regular brushing keeps plaque from forming on your teeth and gums healthy, but you do need a good toothbrush and proper brushing technique.