1. How dramatic? 2. Which cancers? 3. Could it be explained with decrease in other diseases, which leaves cancer as last illness. 4. Could it be explained wit

1. How dramatic? 2. Which cancers? 3. Could it be explained with decrease in other diseases, which leaves cancer as last illness. 4. Could it be explained with better diagnosis methods - are the cancers benign or malignant. Slow or fast growing?