PHILADELPHIA, PA / ACCESSWIRE / February 9, 2024 / abrdn Life Sciences Investors (HQL), abrdn Healthcare Investors (HQH), and abrdn Healthcare Opportunities Fund (THQ) (collectively, the "Funds") each, a closed-end management investment company, announced today its Board of Trustees (each a "Board" and collectively, the "Boards") have approved an increase in each Fund's respective distribution rate and announce payment details for the Funds in the chart directly below. Ticker Exchange Fund...