Some peahens start laying fertile eggs after their first birthday. Peacocks take more time to become mature than the peahens. Usually it takes about 3 years to gain maturity of a peacock. After three years their tail also matures.
Patients with disorders such as Parkinson's disease, Alzheimer's disease or multiple sclerosis may use a neurologist as their principal care physician. In a consulting role, a neurologist will diagnose and treat a neurological disorder and then advise the primary care physician managing the patient's overall health.
A neurologist is a physician who specializes in the human nervous system. Neurologists treat a variety of problems, including spinal cord injuries and diseases such as epilepsy. If you want to become a neurologist, be prepared to complete an extensive education.