Brief Answer:
Yes, Sudden weight is not good for health.

Detailed Answer:
Hello,

Thanks for your query.

Anybody who wants to lose weight tries to lose weight fast but it is not healthy and they tend to put on weight later on. Besides that there are various other medical issues such as nutritional deficiency that sets in with fast weight loss.

You need to follow healthy weight loss method.
Steady and gradual weight loss(ie 1 to 2 pounds per week).
Spend more calories than intake (ie 3500 calories equals in pound you need to reduces 500 to 1000 calories per days to achieve 1 to 2 pound weight lose per week).
Physical activities and exercise(60 to 90 mins of moderate workout in most days of a week).
Commitment and willpower to continue it for a long period of time.

Hope the answer helps you.
Please to answer other queries.

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