Imaging for common headaches A careful medical history and neurological exam usually
are sufficient.
Imaging for lower back pain of short duration In most cases, with no sign of nerve
damage, scans bring no improvement in outcomes.
Bone scans to detect osteoporosis for women under 65 These often result in patients’
taking unneeded drugs rife with side effects.
Pre-operation chest X-ray Many hospitals do this, but it is a largely wasted effort unless
patients have signs of heart or lung disease.
Prostate specific antigen test A government panel no longer recommends this, saying its
harms far outweigh its benefits.
Annual Pap smear This test, for early detection of cervical cancer, is needed only once
every three years after a normal test.
Annual cholesterol test Adults need these only once every five years after having a test
with normal results.
Annual blood work Routine blood tests are no longer recommended for people who feel
well. Again, false positives are common.
Annual EKG For healthy people with no symptoms of heart disease, the electrocardiogram
is more likely to mislead than to identify early disease, leading to further needless tests — like
CT scans with their accompanying radiation — and perhaps unnecessary drugs or surgery.
Annual physical For healthy, asymptomatic adults, it’s an inefficient gauge of health, more
likely to find false positives than real disease
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