Proving the efficacy and corresponding mode of action of herbal supplements is a difficult challenge for evidence-based herbal therapy.
The proof of efficacy of herbal preparations and determination of their mode of action are difficult challenges for evidence-based herbal therapy.
The lack of an effective civil registration system (CRS and CRVSS presents immense challenges for evidence-based health and population policies.
Bacterial meningitis is more common in the neonatal period than any other time in life; however, it is still a challenge for the evidence based diagnosis.
Communicating with critically-minded patients about evidence-based practice proved a greater challenge for practitioners when evidence was contested within the public domain.
Nevertheless, these results appear to raise challenges for current evidence of the development of long-lasting immunity against chlamydia, and suggest the existence of a previously unidentified mechanism for the formation of persistent infection.
The next time someone challenges the need for evidence to support educational practice, try showing them pictures of your own children.
The concept of a strong family history as the optimum criterion for selection for genetic testing is being challenged with evidence for several personal and disease characteristics that are suggestive of BRCA mutations.
But if Monday's final results show a narrower gap, Mr López Obrador's committed followers could yet take to the streets again.Election day provided some ammunition for a challenge, with evidence of cheating by some parties and cock-ups by the electoral authorities though the scale of both was unclear.
So, a call to action: next time you read an article that claims to reveal a secret dating formula, or read a study that tells you what all men want based on a sample of "some people we talked to in the pub", tackle them as you would your local homeopath: ask for evidence, challenge poor arguments, and call them on this irrational bullshit.
