And in a study published last year, researchers in Australia showed in a double-blind, placebo-controlled trial that subjects with suspected gluten sensitivity had substantially fewer symptoms on a gluten-free diet than control subjects who unknowingly ingested gluten.

WSJ: New Guide to Who Really Shouldn't Eat Gluten

Then, this week, the King Institute of Preventive Medicine, a flagship government hospital in the Tamil Nadu capital of Chennai, announced its intention to do a double-blind study to see how effective the neem-papaya mix is in battling dengue.

FORBES: Is Ancient 'Mocktail' The Answer To Dengue Fever?

The civil unrest of the previous decade had finally settled down, the student body was growing larger and more diverse, the university had changed its applications process to a double-blind procedure with no special consideration for gender, race, or ethnicity, and research in medicine and the physical sciences shared space in the curriculum with philosophy and art.

FORBES: Experiment Finds Race Trumps A Prestigious Degree

It is because the government-funded trial was a placebo-controlled, double-blind, randomized controlled trial.

FORBES

Six years ago I was part of a consulting team that was asked by a major biotech firm to conduct a six-month long double-blind study of its sales force.

FORBES: Purpose-Driven Selling: It Beats Quota-Driven Every Time

I'm also the author of "DOUBLE BLIND", a thriller.

FORBES: 4 Leadership Lessons from John Wayne

Safety data for KYNAMRO are based on pooled results from four Phase 3, randomized, double-blind, placebo-controlled trials with a total of 390 patients of which 261 patients received weekly subcutaneous injections of 200 mg of KYNAMRO and 129 patients received placebo for a median treatment duration of 25 weeks.

FORBES: FDA Approves Mipomersen For Homozygous Familial Hypercholesterolemia

The number of Scots who are blind or partially sighted could double in the next 20 years, according to a report by RNIB Scotland.

BBC: Eye test

In the double-blind, randomized control trial, half the women got tenofovir gel and half got a placebo.

CNN: Gel cuts HIV transmission rate in study