“Medium-firm mattresses seem to reduce back pain and improve sleep quality, especially in patients with chronic low back pain,” Morgan said. She added that people with a higher body mass index (BMI) may benefit from a mattress that’s a little firmer, since body weight will impact how supportive a mattress feels to someone.
CreditsHosts: Devindra Hardawar and Igor Bonifacic
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The US has launched "major combat operations" in Iran, with Trump taking to the podium to make the announcement while wearing a "U.S." baseball cap.，更多细节参见体育直播
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