Caffeine is a stimulant that works to improve alertness, wakefulness, and mood. People who regularly consume caffeine may experience withdrawal symptoms after they suddenly stop drinking it. Natural sources of caffeine include coffee, tea, and cocoa beans. Manufacturers also add synthetic caffeine to many foods, drinks, medicines, and supplements. People who regularly consume caffeine may…
Last year, the Food and Drug Administration approved a device that can capture an image of your retina and automatically detect signs of diabetic blindness. This new breed of artificial intelligence technology is rapidly spreading across the medical field, as scientists develop systems that can identify signs of illness and disease in a wide variety…
When Indra Nooyi stepped down as chief executive of PepsiCo last year, she was replaced by a man — and the ranks of female C.E.O.s further dwindled. Today, fewer than 5 percent of companies in the Standard & Poor’s 500 are led by women. Ms. Nooyi’s absence will be particularly notable. During her 12 years…
Sandwiches, with all their permutations, are an invitation to overzealous tinkering. They can be stacked up toward heaven in multiple layers or stuffed with an entire Thanksgiving dinner. They can overflow with soupy meats and be eaten with a fork and knife. And then there was that time KFC used fried chicken instead of bread…
LONDON — Nirav Modi, whose opulent necklaces have been worn by A-list celebrities, was in custody in London after being denied bail following his arrest this week in a bank fraud in India totaling nearly $3 billion. The Indian government wants to extradite Mr. Modi from Britain to face charges that he, his family and…
Nothing makes your mom happier than Whitney Houston, cardigans, and gifts she would never buy herself. And while you may have forgotten Mother’s Day was on the horizon, no one has to know that—especially her. Hit up Amazon (and two-day shipping if you must) and all your problems will be solved. Shop are selects from…
A teenage relative spends occasional weekends with us in the city, mostly to escape her sheltered life at home. She loves going to museums, shopping and even having dinner with us at our favorite diner. And we like having her. But the last two times she stayed over, we noticed objects of sentimental value were…
Image The stylist Law Roach at Bloomingdale’s in New York.CreditVincent Tullo for The New York Times When Ariana Grande stepped on stage at the Times Union Center in Albany for the start of her 80-date Sweetener World Tour this week and began to belt “God Is a Woman,” she did so wearing a mix of…
Even a Work Friend needs a break from the office sometimes. Send in your questions about all kinds of money-related extracurriculars: marriage and divorce; windfalls and investment catastrophes; and, of course, anything that happens in a truck. Confide to workfriend@nytimes.com. Contractor Casanova I’m 62. I’ve been a handyman for 40 years. My body is breaking…
Levi Strauss & Company, the denim company that traces its roots to the days of the California Gold Rush, started trading publicly on Thursday for the second time in its 165-year history. The company’s shares were priced at $17 each, giving it a valuation of roughly $6.6 billion. The stock opened at $22.22 and jumped…