There’s a new flu shot every year, to match the particular flu strains floating around. Some years the shot isn’t a good match. Even so, the flu shot is still a good bet.
Risks can be rewarding, but they can also be downright scary. It’s not easy to break out of your comfort zone, but maintaining a few stable areas in your life makes it much easier to take risks in other ways. Author Ramit Sethi calls it the “tripod of stability”.