A new study reveals that workplace coffee contains higher levels of harmful compounds like cafestol and kahweol, which increase LDL cholesterol and heart disease risk. Researchers found that the metal filters in office coffee machines are less effective than paper filters in removing these compounds, potentially affecting heart health. A new study reveals that workplace coffee contains higher levels of harmful compounds like cafestol and kahweol, which increase LDL cholesterol and heart disease risk. Researchers found that the metal filters in office coffee machines are less effective than paper filters in removing these compounds, potentially affecting heart health. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle