Lisa Catanese

1 month ago | health.harvard.edu | Lisa Catanese |Sogol Javaheri

Some people find that the neutral sound of white noise helps them sleep better. But is there evidence to support this? And what about other noise colors? What is white noise? White noise has been compared to the static from a radio that isn't tuned to a specific station. Technically, the term "white noise" refers to noise that contains all frequencies of the sounds that people can hear, in equal parts. (Frequency is the rate at which sound waves vibrate.) Can white noise help you sleep better?

1 month ago | health.harvard.edu | Lisa Catanese |David Nathan

March 25, 2025 By Lisa Catanese, ELS, Health Writer Reviewed by David M. Nathan, MD, Editorial Advisory Board Member, Harvard Health Publishing High levels of cortisol in your body can result in Cushing syndrome. Left untreated, Cushing syndrome can cause distressing symptoms and lead to serious health complications. Fortunately, tests can help determine the cause of high cortisol levels, which can guide treatment What is Cushing syndrome?

2 months ago | health.harvard.edu | Lisa Catanese |Tien Jiang

March 6, 2025 By Lisa Catanese, ELS, Health Writer Reviewed by Tien Jiang, DMD, MEd, Contributor; Editorial Advisory Board Member, Harvard Health Publishing Millions of root canal treatments are performed each year. Because there are some fears and myths surrounding root canal procedures, it can be helpful to know the facts. What is a root canal treatment?

2 months ago | health.harvard.edu | Lisa Catanese |Tien Jiang

March 6, 2025 By Lisa Catanese, ELS, Health Writer Reviewed by Tien Jiang, DMD, MEd, Contributor; Editorial Advisory Board Member, Harvard Health Publishing Millions of root canal treatments are performed each year. Because there are some fears and myths surrounding root canal procedures, it can be helpful to know the facts. What is a root canal treatment?

2 months ago | health.harvard.edu | Lisa Catanese |Tien Jiang

February 27, 2025 By Lisa Catanese, ELS, Health Writer Reviewed by Tien Jiang, DMD, MEd, Contributor; Editorial Advisory Board Member, Harvard Health Publishing Gingivitis is a common form of periodontal disease, also called gum disease. Left untreated, it can lead to periodontitis, a more serious condition. Fortunately, there are simple ways to reverse and prevent gingivitis. What is gingivitis?