I usually focus on something a subset of the population gets wrong, so the rest of us can feel smart, but this week, I’m ...

With two different risky assets, an investor can minimize total portfolio volatility through the combination of investments with low to negative correlation. In a higher yield environment, 60/40 can ...

We’ve all been told that correlation does not imply causation. Yet many business leaders, elected officials, and media outlets still make causal claims based on misleading correlations. These claims ...

I continue to field comments and e-messages about WHY the stock market will levitate for years to come. Bear market causation is less relevant than your ability to protect your portfolio from the bulk ...

A comment posted by a reader on a recent post reprimanded me for suggesting that marijuana caused relationships to go bad. In this instance the reader was mistaken, as I had specifically used the word ...

This transcript has been edited for clarity. Robert A. Harrington, MD: Hi. This is Bob Harrington from Weill Cornell Medicine on Medscape Cardiology | theheart.org. Over the years, we've talked often ...

Public health is worsening, autism rates are rising — and so are incident conspiracy theories, including claims that the root of the autism evil is vaccines. As the CDC reopens the vaccine-link debate ...

"Upzoning" — also known as zoning reform — is getting renewed attention as a way to expand housing construction with market forces putting a damper on rents. The idea is to allow multiple-unit housing ...

I try to be a positive force both in this column and my workaday life, so I was surprised to find this email from Mark Taylor in my inbox: "Look at this headline with a triple negative: 'Harder to ...