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Ineffective drugs are generally a bad idea - natural medicine, osteopathy and homeopathy are not considered medicine because they can't demonstrate efficacy, and chemotherapy drugs are expensive so the standard is higher.

But when it comes to the devastating brain tumor called glioblastoma multiforme, some patients have benefited from treatment with a class of chemotherapy drugs that two previous large clinical trials indicated was ineffective against the disease. The chemotherapy drugs block the growth of new blood vessels in the tumor and the patients lived an average of about one year longer than those who were given other classes of chemotherapy drugs.
Modern diet fads, like paleo, farm-to-fork, the weird Food Babe's if-she-can't-spell-it-you-shouldn't-eat-it beliefs, harken back to a simpler time when people lived off the land, and nothing had  preservatives and it was all Whole Grain.

In reality, ancient people could not work hard enough or fast enough to create food science that would prevent booms and busts of starvation and rationing. They wanted their food processed, to turn unpalatable or even toxic foodstuffs into something that could be consumed, and they even made progress doing it 10,000 year ago. First was the use of fires or pits and the invention of ceramic cooking vessels, and those led to an expansion of food preparation techniques.
A paper in Sexually Transmitted Infections details a cheap way to kill off gonorrhea in the mouth - alcohol-containing mouthwash. 

Gonorrhea is caused by bacteria and  curb the growth of the bacteria responsible.  Gonorrhea of the mouth has become more common among primarily gay men as fear of AIDS has declined. That disease is quite treatable today and so fear of it has declined, meaning a decline in condom use.

Gonorrhea is also treatable, with antibiotics, but those heighten the risk of the emergence of antibiotic resistant strains of Neisseria gonnorheae, the bacteria responsible for the infection, so concern is high.

If gay men won't use condoms, maybe they'll use mouthwash
A new analysis has found that if you are on Medicare, it's better to get a female internist than a male. Female internists have lower rates of 30-day mortality and hospital readmission than those patients treated by men.

Obviously it could be a variety of other factors - modern medicine, and its government control, has created a "teach to the protocol environment", and women are more likely to adhere to guidelines -but the authors postulate that female physicians more likely to adhere to clinical guidelines and provide preventive care more often, meaning that even if their careers are interrupted by child-bearing they should be paid more than men.
There remain a lack of safeguards built into the health-care system for fitness trackers.

Personal health wearable devices that are used to monitor heart rates, sleep patterns, calories, and even stress levels have led to new privacy and security risks. Though watches, fitness bands, and so-called "smart" clothing are part of a growing "connected-health" system in the U.S., promising to provide people with more efficient ways to manage their own health, it isn't a Utopia if you aren't a fan of weak and fragmented health-privacy regulatory system.
Newborns with the common virus in the herpes family known as congenital cytomegalovirus have an increased risk of developing acute lymphocytic leukemia, according to a new analysis. The authors say the risk is even greater in Hispanic children, who are already at the highest risk for developing ALL.