Human: What are some of the best natural remedies for colds and flus? Assistant: 
Some of the best natural remedies for colds and flus include getting plenty of rest, drinking warm fluids such as tea or broth, using a humidifier to keep your home's air moist, gargling with salt water, taking over-the-counter cold medications like ibuprofen or acetaminophen, and eating foods high in Vitamin C.