Scientists have discovered that young adults are now the most miserable people worldwide, completely debunking the idea of the 'midlife crisis.' A new study published Wednesday revealed that individuals between the ages of 18 and 24 were the unhappiest group in the US, the UK, and across 44 other countries. Historically, research has shown that happiness tends to dip in middle age, usually in someone's 40s, and then rises again during old age. Read the full story on DailyMail.com. 📷 Getty Images / Instagram #genz #millennials #mentalhealth #science #news