Royalty-free stock photo ID: 1517507645 African unhappy woman sit on couch covered with plaid try to warming up in cold flat without central heating, system not working, girl feels unhealthy has common cold viral infectious disease concept

Bad Habits That Could Be Hurting Your Immune System

The human immune system is a symphony of cells, chemical signals and chemical reactions that work in harmony to protect your health. The main function of the immune system is identifying which cells in the body belong there, and which are foreign invaders, so that it can neutralize bad cells before they grow into more severe infections.

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Best Times to See Planets

Stargazing is one thing, but seeing the planets is another. If you have your constellation game down, then try honing your planet game. Since these