早衰

Used both medically (人体早衰 'premature human aging' / 早衰症 'progeria') and metaphorically/agriculturally (作物早衰 'crops aging early', 叶片早衰 'leaves wilting early'). Modern health-and-wellness articles frequently warn about lifestyle causes of 早衰: 熬夜 (staying up late), 压力 (stress), 抽烟 (smoking).

memory

早 ('early') + 衰 ('decline/decay'). The character 衰 also appears in 衰老 ('to grow old'), 衰退 ('decline / recession'), 衰弱 ('weakened') - all about decay or weakening.