Ingestion of Lipids and Changes in Cerebral Blood Flow of People With Obesity

In the group with 10 volunteers with obesity, some of them are submitted first to the 60 grams of fat plus water solution (meal challenge) and in another time to only water.

Also, in the group with 10 volunteers without obesity, some of them are submitted first to the 60 grams of fat plus water solution (meal challenge) and in another time to only water.

给肥胖组或非肥胖组的每位志愿者服用环境温度的纯净水，如下：

• 溶液的最终体积为 300 mL。
• 口服摄入时间少于 2 分钟。
• 放射性药物注射前 30 分钟。
• 最少禁食 12 小时。

A solution composed by 60 grams of fat and water at ambient temperature is administered to each volunteer, being of the with obesity group or the without obesity group, as follow:

• 300 mL final volume of the solution.
• Time of oral ingestion inferior than 2 minutes.
• 60 minutes before the radiopharmaceutical injection.
• 12 hours fasting minimum.

In the same group with 10 volunteers with obesity, some of them are submitted first to only water (control) and in another time to the 60 grams of fat plus water solution (meal challenge).

Also, in the same group with 10 volunteers without obesity, some of them are submitted first to only water (control) and in another time to the 60 grams of fat plus water solution (meal challenge).

给肥胖组或非肥胖组的每位志愿者服用环境温度的纯净水，如下：

• 溶液的最终体积为 300 mL。
• 口服摄入时间少于 2 分钟。
• 放射性药物注射前 30 分钟。
• 最少禁食 12 小时。

A solution composed by 60 grams of fat and water at ambient temperature is administered to each volunteer, being of the with obesity group or the without obesity group, as follow:

• 300 mL final volume of the solution.
• Time of oral ingestion inferior than 2 minutes.
• 60 minutes before the radiopharmaceutical injection.
• 12 hours fasting minimum.