Is it time to rethink the use of some of medicine's most time-honored instruments? Medscape's Eric J. Topol questions the value of 2 well-known icons of medicine.

Dr. John Marshall found board certification 'really hard,' partly because questions had no right answer. He asks: Are boards a fair measure of a practicing physician's skills and knowledge base?

Dr. Jeffrey Berns reflects on recent articles that discuss the merits and pitfalls of offering cash to potential kidney donors.

Dr. Jeffrey Berns discusses the implications of halting SYMPLICITY HTN-3, a study that was testing catheter-based renal denervation for the treatment of resistant hypertension.

A major pharmaceutical company plans to stop paying doctors to promote its drugs, which may help curb industry bias but could also impede physician education, says Dr. Gerald Chodak.

Dr. Jeffrey Berns reviews a study that compares mortality rates at for-profit dialysis facilities vs at nonprofit ones, reminding physicians that they are ultimately responsible for patients' care

What are the attributes needed in an effective peer mentor?

If you have any patients on both an angiotensin-converting enzyme inhibitor and an angiotensin receptor blocker, you probably should discontinue one of those medications, says Dr. Jeffrey Berns.

'We need to be truly expert' in managing chronic kidney disease, says Dr. Jeffrey Berns, in order to preserve the specialty of nephrology.

Dr. Henry Black talks with Dr. Graham MacGregor about the successful program to reduce salt intake in the United Kingdom.