Dear Readers:

Welcome to the launch of a new column — “Ask the Doctors.” Together with a colleague, we take over for “Ask Doctor K,” in which Dr. Anthony Komaroff dispensed timely advice and guidance to readers. We plan to continue in this same tradition by offering answers to your questions about health and wellness.

“We” are Dr. Eve Glazier and Dr. Elizabeth Ko, internists and primary care physicians at UCLA Health. Our specialty is internal medicine, with a focus on the management and prevention of chronic disease. We share this column on alternating days with our colleague, Dr. Robert Ashley, whose introduction will be published tomorrow.

What brings us to this column is a lifelong passion for both learning and teaching. We take a lively interest in all areas of health and wellness.

Amid a flood of information — and misinformation — available these days, our goal is to provide not just facts and statistics but also context and nuance. We want to give you the tools you need for a healthy and happy life.

We are firm believers that knowledge can help you to take control of your health and well-being.

Dear Doctors: We have always been careful to put our son to sleep on his back to prevent SIDS, but he has recently started turning over by himself, and we find him on his stomach. Should we prevent this? Should we put him on his back again?

Dear Reader: You’re right that placing infants on their backs to sleep greatly reduces the rate of Sudden Infant Death Syndrome (SIDS), the leading cause of death in infants between 1 month- and 1-year-old. About 1,500 infants die of SIDS each year in the United States, with most of the cases occurring in babies younger than 6 months old.

The good news is that once your baby is able to turn over by himself, which happens at about 6 months, his brain is developed enough to alert him to breathing problems. Rolling over is an important part of his development, and he should be allowed to do so.

You should continue to place him on his back when you put him down to sleep, but according to guidelines published by the National Institutes of Health, you don’t need to return him to his back when he turns over. At that point, it’s OK to let your baby choose his sleep position.

You should also:

• Be sure to use a firm mattress with a fitted sheet.

• Keep his crib clear of soft objects like pillows, stuffed toys, crib bumpers or loose bedding.

• Overheating may play a role in SIDS, so keep his room at a comfortable temperature and don’t overdress him for bed. He may be too warm if his chest feels hot or if he is sweating.

• Don’t cover him with loose bedding such as a blanket, quilt or sheet, as he may get tangled up.

• Do keep your baby close by in your room, but don’t sleep with him in your bed. The risk of accidentally rolling over on the baby or of him falling out of the bed is too great.

Follow these simple precautions to give your baby the safest sleep environment. And congratulations on your son’s milestone of turning over by himself.