Without variable valve timing or variable valve lift, the valve timing must be the same for all engine speeds and conditions, therefore compromises are necessary. An engine equipped with a variable valve timing actuation system is freed from this constraint, allowing performance to be improved over the engine operating range.
A variety of medical specialists treat people with osteoporosis, including internists, gynecologists, family doctors, endocrinologists, rheumatologists, physiatrists, orthopaedists, and geriatricians. There are a number of ways to find a doctor who treats osteoporosis patients. If you have a primary care or family doctor, discuss your concerns with him or her. Your doctor may treat the disease or be able to refer you to an osteoporosis specialist.
If necessary, she/he will refer you to the appropriate specialist (endo, gyn, rheumatologists, orthopedic, women health...). It's very important to try to find the cause of the osteoporosis rather than just jump directly to treatment. Start first with your primary care physician. He/she is the one who knows you best. If necessary, she/he will refer you to the appropriate specialist (endo, gyn, rheumatologists, orthopedic, women health...). It's very important to try to find the cause of the osteoporosis rather than just jump directly to treatment.