Eating fish could help protect aging brains from air pollution, study finds

By Lauren Kent, CNN

Updated 2002 GMT (0402 HKT) July 15, 2020

The bone broth in chicken soup contains collagen, which can help boost your immune system, in addition to amino acids and nutrients that help prevent inflammation.
Photos: Eight superfoods to boost your immune system
The bone broth in chicken soup contains collagen, which can help boost your immune system, in addition to amino acids and nutrients that help prevent inflammation.
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Yogurt is a natural source of probiotics, also known as "good bacteria" that live in your gut. Studies have linked good gut health to boosting immunity, better sleep and good digestion.
Photos: Eight superfoods to boost your immune system
Yogurt is a natural source of probiotics, also known as "good bacteria" that live in your gut. Studies have linked good gut health to boosting immunity, better sleep and good digestion.
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