One of the biggest myths about aging is that physical decline is inevitable.

Online and on social media, fitness advice is everywhere with a mix of workout recommendations — some influencers glorify strength exercises like squats and bench presses for building muscle growth ...

Cardiorespiratory fitness (CRF) or "cardiofitness" helps us live longer, healthier lives. It's also linked to better brain health and sharper thinking as we age. Mountains of science-backed evidence ...

View post: This Simple Pilates Move Helps Men Over 40 Loosen Stiff Hips and Move Without Back Pain, Trainer Says Rachel MacPherson, C.P.T. One of the most talked-about benefits of cardio is better ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. January 12, 2026 Add ...

Plenty of research touts the importance of cardiorespiratory fitness (CRF)—also known as cardio fitness, cardiovascular endurance, and aerobic fitness—as a health marker, as well as an athletic ...