On Feb. 16, Anna Netrebko will make her Palau de les Arts Reina Sofía Debut. The Soprano will perform at the Sala Principal in a recital featuring music by Tchaikovsky, Rimski-Kórsakov, and Strauss.

OSA can also cause you to gain weight because of its negative effects on your day-to-day functioning and hormone levels. It may seem like a catch-22: The less you sleep due to sleep apnea ...

Anna Skinner is a Newsweek senior reporter based in Indianapolis. Her focus is reporting on the climate, environment and weather but she also reports on other topics for the National News Team.

Anna Commander is a Newsweek Editor and writer based in Florida. Her focus is reporting on crime, weather and breaking news. She has covered weather, and major breaking news events in South Florida.

However, this doesn't mean that low levels of thyroid hormone mean a person will gain weight (or conversely that low levels will ignite weight loss.) There are many factors involved in these processes ...

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