Anavar: A Bodybuilder's Guide to Hormone Regulation

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Interferons are a group of signaling proteins that play a crucial role in the immune response. They are produced by cells in response to viral infections and help inhibit viral replication. Interferons are also used therapeutically to treat various conditions, including certain cancers, viral infections like hepatitis, and autoimmune disorders. Their ability to modulate the immune system makes them valuable in medical treatments, though their use can be associated with side effects such as flu-like symptoms.