You can use sesame oil for cooking without any problem because sesame oil also contains monounsaturated fatty acids and it has got the capacity to reduce cholesterol also.

Because of its good antioxidants sesame oil is very heat stable compared to olive oil and is thus suitable for our Indian way of cooking.

In its health qualities sesame oil is equally good as olive oil.

If your husband has overweight then the amount used should not be too high because 100 g sesame or other oils have 900 calories.