We suffer flu and other Seasonal illness every year when seasons are changing.
But if we look at the fruit market, there is a fruit for that season. For example, tropical countries have suffered flu when the season change from summer to winter and winter to summer.
Now look when changing the season from summer to winter that time orange, Grapefruit and many other citric fruits are available in the market and also those are fresh.
If anyone takes Grapefruit every day in that season whether it is raw or juice then those people are less suffering from cold even in a cold win cannot harm them. Raw fruits are more beneficial than juice because raw contain fibre which is also very essential for health. So, those who can take the fruit in raw form they will get more benefits from it.
Finally, everybody should eat seasonal fruit every day with every meal.
Always try to take some fruit after lunch and dinner. It will help a lot.
If you are habituated to it, You will be surprise that how healthy you are.
Note: If you are suffering from any disease, Please consult your physician before taking any fruit.