Continue reading the main story. The Wallace Line swerves among the islands of Indonesia from just west of Bali to the seas south of the Philippines. Itâs named after the British naturalist Alfred Russel Wallace, who discovered in the mid-19th century that different species of flora and fauna grew on either side.he Wallace Line swerves among the islands of Indonesia from just west of Bali to the seas south of the Philippines.
The USPSTF recommends that women who are 50 to 74 years old and are at average risk for breast cancer get a mammogram every two years. Women who are 40 to 49 years old should talk to their doctor or other health care professional about when to start and how often to get a mammogram. Women should weigh the benefits and risks of screening tests when deciding whether to begin getting mammograms at age 40.
Recommends against routine screening mammography in women aged 40 to 49 years. The decision to start regular, biennial (every 2 years) screening mammography before the age of 50 years should be an individual one and take patient context into account, including the patient's values regarding specific benefits and harms. Recommends biennial screening mammography for women aged 50 to 74 years.