Can we cut Oprah Winfrey some slack? The struggle to lose weight is real — and drugs can be a lifesaver.

Leave Oprah alone.Yes, Oprah Winfrey is in the news again — in this case, for her decision to sell her stake in WW International WW, +8.33% (formerly known as WeightWatchers) and leave the company’s board. The decision came after Winfrey announced, to considerable backlash, that she was taking a weight-loss drug to help her in her longtime battle to lose some pounds and keep them off, in addition to hiking, drinking plenty of water and other methods.The company’s stock fell in the aftermath of the news. At ...