That depends on where you are. States/provinces and municipalities decide whether or not a helmet is required.
Regardless of age, everyone is legally required to wear a helmet while biking. Depending on the country that you live in. UK for instanstance has no legal requirement to wear any sort of safety equipment on a bicycle.
Legally, I don't know. Still, it is a good idea to wear one any ways. Legally, the answer is yes you must wear a DOT or Snell approved helmet.
all ages are required to wear a motorcycle helmet, unless you live in a state where there are no helmet requirement... but there are not too many states that don't have a helmet requirement
In Oklahoma, riders 17 and younger are required by law to wear helmets. If you are over 17, you are not required by law to wear a helmet
You're not required by law to wear a helmet but i suggest u do
All Bicycle riders under 18 are required to wear a helmet
For a while he didn't have to, but then the NHL required the use of a helmet.
It is necessary to wear a bike helmet to reduce the incidence of head injuries suffered in crashes.Helmets protect the vulnerable parts of the skull.Most countries now legally require you yo wear an helmet.
Motorcycle rider and passengers are required to wear a helmet in california. It is a good law since chances of surviving a motorcycle crash without a helmet are slim.
they are required
it's different in every state.
You need to wear a motorcycle helmet any time you get on a motorcycle, but in Florida it is only required for anyone under 21.