More than 350 people were arrested over the weekend in Russia as they mourned the death of opposition leader Alexey Navalny in a prison camp. Russian officials say he died suddenly but they have not released his body or announced the cause of his death.

In recognition of American Heart Month, sleep expert Shelby Harris sheds light on the link between poor sleep and its effects on heart health.

In a world often divided, the story of Cindy Tutko and a kind stranger at the Atlanta airport serves as a heartwarming reminder of the power of human connection. When Tutko was struggling to reach her gate due to a limp, an unexpected offer of help arrived. CBS News' David Begnaud has their story.

Dr. Sue Varma joins “CBS Mornings” to talk about her new book, “Practical Optimism,”' and her insights from experiences as medical director of the World Trade Center Mental Health Program. She also discusses how a person can become more optimistic.

Monique Rodriguez, the powerhouse behind Mielle Organics, joins ”CBS Mornings” to talk about how she started her brand from her kitchen nearly a decade ago and is now in over 100,000 stores worldwide.

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