After wake up in morning take one raw piece of garlic this can boost start your immune system.
Just fry a garlic in oil and use this in dishes it will make your digestive system fast
Take sesame oil in a pan and make it hot and put garlic in it. Take this oil in a bottle, cool it. Whenever you got khansi(cough) message this oil on chest and throat areas.
Eat fry garlic with honey before going for sleep.