Cholesterol and triglycerides will always drop in the short-term when weight is lost. 3 months is not a long enough time to make a sound judgement about your diet.
With regards to an Atkins-style diet, you need to read the facts on http://atkinsexposed.org/ and not get your information from an organization with a financial incentive to promote unhealthy foods.
With regards to an Atkins-style diet, you need to read the facts on http://atkinsexposed.org/ and not get your information from an organization with a financial incentive to promote unhealthy foods.