Certain shampoos and treatments are formulated to block dihydrotestosterone (DHT), a sex hormone that plays a role in hair loss. These DHT blockers may help prevent hair loss. We combed through (pun ...

Your phone already has powerful spam protection tools—you just need to activate them. We show you how on iPhone and Android. I review privacy tools like hardware ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Toby Walters is a financial writer, investor, and lifelong learner. He has a passion for ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Suzanne is a content marketer, writer, and ...

There are tons of reasons why you’d want to block a phone number. Maybe you got a spam call and want to make sure you don’t get another call from that same number. Or maybe you no longer want to hear ...