How can you prevent balding and a receding hairline?

Choose well. The best way is to choose the right parents. Unfortunately, the majority of your hair pattern and balding is determined by genetics. Hair hairlines and baldness tend to run in families. Medications can provide some relief for some people, but they a less than perfect and have side effects. Surgical hair transplantation has come along way in the last 20 years, but good results require time & money.
Genetically. determined so there is not nuch you can do to stop it. There are various hair treatments out there.

Related Questions

Noticing hair loss, receding hairline. Some hairs are turning white/gray and wiry. Anything at all I can do to prevent further?

Depends on cause... One's primary care doctor can check for medical causes. If none are found, then one can see a dermatologist, especially one specializing in hair restoration (some treatments: minoxidil, finasteride, hair transplants, ...). Medical causes may include: hormonal problems (low thyroid), seborrhea, alopecia areata, stressful illness. Other causes: genetic male/female pattern baldness, telogen effluvium. Read more...

Does a receding hairline mean you will go bald soon?

Maybe. Depends on your genes... There are different patterns of baldness. Look to your mothers family and any siblinfs for the patterns of hair loss... Read more...

Can you have a receding hairline and not be going bald on top?

Yes. You can recede only .This is called pattern baldness and patterns can vary - hamilton types 1-8 .Mild cases may have only temporal recession which does not progress. Read more...

Hairloss, premature balding, receding hairline, what to do?

Evaluation. Hello: it is important to test free testosterone, androstendione and dheas. Sometimes we also add 17 hydroxyprogesterone depending on age and past history. Spironolactone works (variable response). Do not take if considering pregnancy. Read more...
Eval. Medications - Minoxidil (Rogaine) & Finasteride (Propecia), Surgical - Hair transplant. Eat a nutritious diet to avoid deficiencies. Avoid hairstyles that pull hair tightly. Use gentle shampoo. Avoid hair dryers, permanents or curling irons. Consider use of a wide toothed comb. Consider acupuncture. Genetics plays the biggest factor in balding for most people- you may or may not have success. Read more...